U.S. PATENT AND TRADEMARK OFFICE
Information Products Division |
U.S. Patent Classification System - Classification Definitions
as of June 30, 2000
Patents classified in a subclass may be accessed by either clicking on
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(definitions have been obtained from the
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is produced by the U.S. Patent and Trademark Office
Electronic Products Branch)
Class 238
RAILWAYS: SURFACE TRACK
Class Definition:
This class includes patents relating to surface
railway-tracks which in their make-up include road-bed
structure, rail-supporting elements--such as stringers, ties,
rail-chairs, and tie-plates--rails, rail-joints, rail-bonds,
track and rail-joint fastenings, and electric insulation as
applied to ties, rails, rail-joints, rail-bonds, and
track-fastenings.
LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
This class does not include patents for switches,
rail-crossings, and frogs, which will be found in Class 246,
Railway Switches and Signals.
Tracks for panel hangers and travelers are in Class 16,
Miscellaneous Hardware, subclass 96.
SUBCLASSES
Subclass:
1
This subclass is indented under the class definition. Patents
containing subject matter not properly belonging in any of
the following subclasses.
Subclass:
2
This subclass is indented under the class definition.
Railroad ballast structure and form for the reception of the
railway-track.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
3
This subclass is indented under subclass 2. Street-railway
track having defined ways for nonflanged vehicle-wheels and
ordinary street-vehicles.
Subclass:
4
This subclass is indented under subclass 3. Structure that is
restricted to track using metallic rails or paths for the
wheels.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
5
This subclass is indented under subclass 3. Structure that is
restricted to track using concrete or plastic-compound rails
or paths for the wheels.
Subclass:
6
This subclass is indented under subclass 2. Structure wherein
the surface of the road-bed has a continuous wooden or metal
covering between the rails, or the covering may also extend
outside the rail-bases.
Subclass:
7
This subclass is indented under subclass 6. Structure wherein
the road-bed covering is of concrete or other plastic
compound.
Subclass:
8
This subclass is indented under subclass 2. Highway crossings
at grade over railways to facilitate the passage of highway
vehicular traffic over railway-tracks.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9
Subclass:
9
Special forms of paving and paving-blocks for use around
railway-rails in order to bring the rail-treads substantially
flush with a highway-surface, so that the rails shall not
obstruct highway traffic, as in the case of street-railway
tracks.
SEE OR SEARCH THIS CLASS, SUBCLASS:
7
Subclass:
10
Railway-track designed for temporary use in different places
and usually made in portable sections.
SEE OR SEARCH CLASS:
446, Amusement Devices: Toys, subclasses 168+ for a toy
trackway for an unattached rolling or tumbling element (e.g.,
marble), subclasses 444+ for the combination of a toy vehicle
and toy trackway for physically guiding the vehicle, and
subclass 455 for a toy vehicle combined with trackway having
a conductor therealong which transmits control signals to the
vehicle.
Subclass:
11
Portable railway-track, usually adapted to hang over the edge
or end of an embankment or fill to facilitate the dumping of
earth or spoil thereover.
Subclass:
12
Portable switch members for temporary connection of two
parallel railway-tracks.
Subclass:
13
Portable track for house-moving trucks or rollers.
Subclass:
14
Mats or traction-pads adapted to facilitate the extraction of
trucks and automobiles when stalled in sand or mud.
(1) Note. One end of the mat is usually fastened to the
ground.
SEE OR SEARCH CLASS:
152, Resilient Tires and Wheels, subclass 208 and indented
subclasses.or anti-skid devices for resilient tires.
180, Motor Vehicles, subclass 7.1 for similar structures
designed to be attached to a traction wheel.
Subclass:
14.05
Joints, couplings, rail-bonds, connector devices and other
means for electrically connecting a railway rail or other
surface track element to another rail or to some other
stationary device or object.
(1) Note. A "rail-bond" as used herein is any connecting
link, wire, cable, rod, bar, or the like, of conducting
material, either rigid or flexible, having terminal portions
designed for attachment to adjacent rail sections for the
purpose of electrically connecting such sections.
(2) Note. For electrical connection features associated or
designed for use with portable track, see the Search This
Class, Subclass, notes below.
(3) Note. Mere mechanical joints designed to join two
railway rails together in aligning relation for maintenance
of the continuity of the track are in another subclass, even
though such joints, when made of metal, inherently serve to
electrically connect the rails (see Search This Class,
Subclass below for specific cite). When such mechanical
joints are provided with additional claimed features designed
primarily to improve the conducting path between the rails,
they will be placed in this class, subclass 14.4, or indented
subclasses, and cross-referenced to the appropriate subclass
for the mechanical joint.
(4) Note. For electrical connectors in general see Search
Class notes below.
(5) Note. For electrical connection devices specially
designed for transmitting electricity from a rail or other
element to a vehicle or other moving object, see Search Class
notes below.
(6) Note. Mere joints or couplings between wires, rods,
bars and the like, or between such elements and a base, plate
of head, are in Class 403, Joints and Connections. However,
where one of the elements or such a joint or coupling is a
railway rail or other surface track element, the following
line will determine the placement of patents as between
Classes 238 and 403; where the rail or other surface track
element is included broadly, as by name only, with no further
limitation distinguishing the same from plates, bars, etc.,
in general, classification is in Class 403, subclasses 230+;
the following are considered to distinguish rail-bond joints
from the joints classifiable in Class 403 and to cause
classification in Class 238:
(a) an electrical limitation to the effect that the joint or
coupling is electrically conductive or that the parts
connected are electric conductors;
(b) significant structure of the rail-bond body other than
the terminal or attaching portions;
(c) inclusions, broadly or specifically, of the particular
portion of the rail to which the bond is attached, as, for
example, the head or tread portion or the base or flange
portion, excepting that the mere limitation that the bond is
secured to the "web" of the rail will not prevent
classification in Class 403;
(d) all plural-joint features, regardless of breadth, e.g.,
inclusion of both rails or both of the bond terminals;
(e) all other features specialized to rail-bed or surface
track installations or pertaining to vehicular travel over
the rails.
(7) Note. For methods of making rail-bonds and/or for
attaching them to the rails, see the appropriate method
classes, especially those in the Search Class notes below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
subclasses 10+ for electrical connection features
associated or designed for use with portable track.
14.4 for mechanical joints provided with additional claimed
features designed primarily to improve the conducting path
between the rails (see (3) Note above).
subclasses 151+ for mere mechanical joints designed to join
two railway rails together in aligning relation for
maintenance of the continuity of the track are in this class,
subclass even though such joints, when made of metal,
inherently serve to electrically connect the rails.
SEE OR SEARCH CLASS:
29, Metal Working, subclasses 505+ (see (7) note above).
191, Electricity: Transmission to Vehicles.or electrical
connection devices specially designed for transmitting
electricity from a rail or other element to a vehicle or
other moving object (see (5) Note).
219, Electric Heating, subclasses 53+ (see (7) note
above).
228, Metal Fusion Bonding, appropriate subclasses (see (7)
note above).
403, Joints and Connections, for mere joints or couplings
between wires, rods, bars and the like, or between such
elements and a base, plate of head; subclasses 230+ where
the rail or other surface track element is included broadly,
as by name only, with no further limitation distinguishing
the same from plates, bars, etc. (also see (6) Note above).
439, Electrical Connectors, appropriate subclasses for
electrical connectors in general (see (4) Note above.
Subclass:
14.1
This subclass is indented under subclass 14.05. Electrical
connections in which a plurality of rail-bonds extends from
one rail to the other, or in which a single rail-bond
consists of a plurality of laminations, strands, or other
elements extending from one rail to the other.
(1) Note. This subclass does not include rail-bonds
consisting of a single stranded cable. Also see the Search
This Class, Subclass notes below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
14.05 when rail-bonds consisting of a single stranded cable
are classified in accordance with their other
characteristics.
SEE OR SEARCH CLASS:
174, Electricity: Conductors and Insulators, subclass 128.1
and indented subclasses.or mere plural-strand conductor
structure.
403, Joints and Connections, appropriate subclasses,
particularly subclasses 230+ for mere joints between two or
more bond wires, rods, etc., and rail.
Subclass:
14.11
This subclass is indented under subclass 14.1. Plural bond
connections in which at least one bond is positioned at each
side of the rail.
Subclass:
14.12
This subclass is indented under subclass 14.05. Rail bonds
having claimed features pertaining to the form, structure, or
arrangement of the intermediate portion of the bond, i.e.,
the portion between the terminal or attaching portions.
(1) Note. In addition to bonds of novel configuration or
cross-section, this subclass also includes bonds having
connectors, vibration dampers, or other appurtenant devices
associated with the intermediate portion of the bond.
(2) Note. For mere laminated or plural strand bonds, see
this class, subclass 14.1.
(3) Note. For mere conductor structure, see Class 174,
Electricity: Conductors and Insulators, subclass 126.1 and
indented subclasses.
Subclass:
14.13
This subclass is indented under subclass 14.05. Joints or
couplings between a rail-bond and the head or tread portion
of a rail.
(1) Note. For such joints or couplings involving special
rail forms, see this class, subclass 14.3.
(2) Note. See Notes (6) and (7) to the definition of
subclass 14.05 of this class.
Subclass:
14.14
This subclass is indented under subclass 14.05. Joints or
couplings between a rail-bond and the base or flange portion
of a rail.
(1) Note. For such joints or couplings involving special
rail forms, see this class, subclass 14.3.
(2) Note. See Notes (6) and (7) to the definition of
subclass 14.05 of this class.
Subclass:
14.15
This subclass is indented under subclass 14.14. Joints or
couplings in which the rail-bond is attached to the rail-base
or flange by casting, welding, soldering, brazing, or other
method requiring the use of molten material, or cement, or
other adhesive.
(1) Note. See Note (7) to the definition of subclass 14.05
of this class.
(2) Note. For folded joints between wires, cables, rods and
the like and a base member, in general, see Class 403, Joints
and Connections, subclasses 265+.
Subclass:
14.2
This subclass is indented under subclass 14.05. Electrical
connections for connecting a rail to some object or device
other than a contiguous rail.
(1) Note. This subclass includes, for example,
"cross-bonds" for connecting a rail to the parallel rail at
the opposite side of the track, connections between rails and
"bootlegs", ground connections, etc.
(2) Note. This subclass does not include mere joints
between a rail and a conductor wire, cable, bond, etc., for
which see particularly this class, subclasses 14.13, 14.14
and 14.15, and note 6 to the definition of subclass 14.05.
Subclass:
14.3
This subclass is indented under subclass 14.05. Electrical
connections involving some special rail structure, i.e., a
rail having a claimed form or structure distinguishing the
same from the strandard T-head rail.
Subclass:
14.4
This subclass is indented under subclass 14.05. Electrical
connections combined with means for supporting the rail, or
combined with means for mechanically joining two rails in
aligning relation for maintenance of the continuity of the
track, such as splice bars, fish plates, ties, chairs, etc.
(1) Note. See Note 3 to the definition of this class,
subclass 14.05.
Subclass:
14.5
This subclass is indented under subclass 14.4. Combinations
in which the electrically conducting element is interposed or
positioned between the rail and its support, or between the
rails and one of the elements of the mechanical joint, for
example, between the rail and the splice bar.
Subclass:
14.6
This subclass is indented under subclass 14.5. Combinations
in which the interposed conducting element is positioned
along the web of the rail.
Subclass:
14.7
This subclass is indented under subclass 14.4. Combinations
having means for securing or supporting the intermediate
portion of a rail bond, i.e., the portion between the
attaching or terminal portions.
(1) Note. For bond-wire supports claimed, per se, see Class
248, Supports, subclass 65 and indented subclasses.
Subclass:
14.8
This subclass is indented under subclass 14.05. Electrical
connections including a dowel pin, key, or similar element
inserted in aligned holes of sockets formed in the abutting
ends of the rails.
(1) Note. For mere mechanical rail-joints employing similar
elements, see this class, subclass 179.
(2) Note. For mere rod joints or couplings employing
similar elements, see Class 403, Joints and Connections,
subclasses 292+.
Subclass:
14.9
Devices for protecting the rail bond or its terminal portions
from mechanical injury, including means for deflecting parts
of rolling stock away from the bond.
(1) Note. For arrangements whereby the bond is enclosed or
protected by elements of a rail-joint or support, see this
class, subclass 14.4 and indented subclass.
(2) Note. For protective boxes or closures designed to
protect rail-joints or other surface track elements, see this
class, subclass 312.
Subclass:
15
Curved rails and rail arrangement for facilitating the
passage of railway rolling-stock around curves.
Subclass:
16
Rails on curves provided with antifriction-rollers for
engagement with the vehicle-wheels.
SEE OR SEARCH CLASS:
492, Roll or Roller, for a roll, per se, not elsewhere
provided for, and see the notes thereunder.
Subclass:
17
Rails arranged parallel to and adjacent the traction-rails to
prevent the vehicle-wheels from leaving the traction-rails.
Subclass:
18
Guard-rails adapted to yield laterally against spring
resistance when engaged by a vehicle-wheel.
Subclass:
19
Guard-rails having integral parts underlying the adjacent
traction-rail, so that the weight of the vehicle will tend to
hold the guard-rail in place.
Subclass:
20
Rail-chairs or shoes designed to rest upon ties and each
support a traction and a guard rail.
Subclass:
21
Rail clamps or yokes each designed to hold a traction and a
guard rail. These clamps do not rest upon the ties, but
depend between them.
Subclass:
22
Spacing-blocks between the main guard rails.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17 and the preceding subclasses under subclass 17.
Subclass:
23
This subclass is indented under subclass 22. except that the
spacing blocks are formed of tapering wedge-blocks for
adjustment of the guard-rails.
Subclass:
24
Longitudinal beams and members arranged beneath and parallel
with the rails for supporting the latter; also beam members
parallel with the rails for stiffening the road-bed
structure.
Subclass:
25
This subclass is indented under subclass 24. except that the
longitudinal beams are made of concrete or plastic
compounds.
Subclass:
26
This subclass is indented under subclass 24. except that the
longitudinal members are metallic.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
27
Relative arrangement of cross-ties for support of the rails.
Subclass:
28
Ties diagonally arranged between the rails.
Subclass:
29
Transverse rail-supporting beams or members for parallel
railway-rails.
Subclass:
30
Variations in longitudinal form of railway-ties.
(1) Note. Variations in cross-sections of railway-ties are
found in this class, subclasses 54 to 81, inclusive.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
31
The ties have joints in the tie-body between the rails.
SEE OR SEARCH THIS CLASS, SUBCLASS:
35 for multiplicity of tie-joints, and 108 for insulated
tie-joints.
Subclass:
32
This subclass is indented under subclass 31. except that the
joints are flexible or hinged.
Subclass:
33
The ends of the tie are pivotally connected to the middle
portion of the tie, adjacent each rail-base.
SEE OR SEARCH THIS CLASS, SUBCLASS:
279
Subclass:
34
Each end of the tie is detachably connected to the main
tie-body adjacent the rail-seats.
Subclass:
35
The tie is transversely divided into three or more sections.
SEE OR SEARCH THIS CLASS, SUBCLASS:
31 and 32.
Subclass:
36
The tie is made up of a plurality of longitudinal vertical
platelike members fastened together.
Subclass:
37
The tie is made up of a plurality of longitudinal horizontal
platelike members fastened together.
Subclass:
38
The tie is made up of twin or duplicate longitudinal members
usually so connected as to lock the rails thereto.
Subclass:
39
Ties made up of two longitudinal sections, one of which is
the complement of the other. Usually one slides into the
other. The reciprocal sliding of the two parts locks the rail
in place.
Subclass:
40
Ties including a truss-rod and strut or ties of truss form,
so as to form a truss in the engineering sense.
SEE OR SEARCH THIS CLASS, SUBCLASS:
86
Subclass:
41
This subclass is indented under subclass 40. except that the
truss is integrally formed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
86
Subclass:
42
Cross-ties between rails having end portions at right angles
thereto and parallel with the rails, which may or may not be
rectangular frames.
SEE OR SEARCH THIS CLASS, SUBCLASS:
47
Subclass:
43
The ties are provided with loop or hook shaped ends adjacent
the rail-seats.
Subclass:
44
The ties are provided with Y-shaped or double ends to form
extended rail-seats.
Subclass:
45
Ties for supporting rails and switch-stands or track elements
other than the rails.
Subclass:
46
Ties structurally modified, so as to practically form
portions of rail-joints.
Subclass:
47
Tie modification for rail-joints bridged between two ties.
SEE OR SEARCH THIS CLASS, SUBCLASS:
42
Subclass:
48
Ties so formed that the top portion, carrying two rails, is
adapted to have a spring-yielding movement relatively to the
bottom section of the tie.
(1) Note. Spring-bearings in ties, permitting the rails to
have spring motion independently of each other, are found in
this class, subclasses 283, 284 and 285.
SEE OR SEARCH THIS CLASS, SUBCLASS:
40
Subclass:
49
Ties in which old rails are utilized to make up the ties.
Subclass:
50
Rods for the cross connection of the rails, stringers, or
pot-sleepers.
Subclass:
51
Rods or bars cross-connecting two rails passing beneath and
in contact with the rail-bases. These rods are usually
between the ties.
(1) Note. Rods adapted to rest upon the ties and provided
with flat rail-seats are found in this class, subclasses 116
and 288.
Subclass:
52
The same as subclasses 50 and 51 with turn-buckles for
coupling the rod-sections.
Subclass:
53
The same as subclasses 51 and 52 for utilizing nuts and
threaded ends other than turn-buckles for adjustments.
Subclass:
54
Cross-sectional forms of integral ties not otherwise
classified below.
Subclass:
55
Ties made up of two longitudinal parts of cross-sectional
form not otherwise classified below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
38
Subclass:
56
Ties made up of pairs of channel-bars.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 595
for metallic stock material of uniform thickness and of
channel shape.
Subclass:
57
Ties made up of pairs of I-beams.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 598
for metallic stock of "T" or "I" cross-section.
Subclass:
58
Ties made up of pairs of angle or T irons.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 598
for metallic stock having an I-type cross-section, and
subclass 603 for metallic stock of L-type cross section.
Subclass:
59
Ties made up of singles bars of channel cross-section with
downwardly-projecting flanges.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 595
for metallic stock material of uniform thickness and of
channel shape.
Subclass:
60
This subclass is indented under subclass 59. except that the
channels are made from rolled sheet metal and bent to shape.
Subclass:
61
This subclass is indented under subclass 59. except that the
channels are of rolled metallic sections.
Subclass:
62
Ties made of single bars of channel cross-section with
upwardly-projecting flanges.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 595
for metallic stock material of uniform thickness and of
channel shape.
Subclass:
63
This subclass is indented under subclass 62. except that the
channels are made from rolled sheet metal and bent to shape.
Subclass:
64
This subclass is indented under subclass 62. except that the
channels are of rolled metallic sections.
Subclass:
65
Ties having cross-sectional form of I-beam shape.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 598
for metallic stock of "T" or "I" cross-section.
Subclass:
66
This subclass is indented under subclass 65. except that the
I-beams are rolled metallic sections.
Subclass:
67
Ties having cross-sectional form of T-shape.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 598
for metallic stock of "T" or "I" cross-section.
Subclass:
68
This subclass is indented under subclass 67. except that the
T-beams are of cast metal.
Subclass:
69
Ties having cross-sectional form of inverted-T shape.
Subclass:
70
Ties formed of longitudinal tubular members.
Subclass:
71
Ties having a plurality of longitudinal tubular apertures
therethrough.
Subclass:
72
Ties formed with rectangular tubular apertures therethrough.
Subclass:
73
Ties of rectangular box form with overlapping side plates
having vertical telescopic engagement.
Subclass:
74
Ties of rectangular box form having separately-formed top and
bottom plates.
Subclass:
75
Ties of rectangular box form having separately-formed bottom
plates.
Subclass:
76
Ties of rectangular box form with separate cover-plates.
Subclass:
77
Ties of rectangular box shape formed by folding up a sheet
metal.
Subclass:
78
Ties of rectangular box shape integrally formed.
Subclass:
79
This subclass is indented under subclass 78. except that the
ties are integrally formed by casting.
Subclass:
80
Ties which are triangular in cross-section.
Subclass:
81
Ties which are circular or elliptical in cross-section.
Subclass:
82
Ties formed longitudinally from corrugated plates.
Subclass:
83
Ties involving nonmetallic substance in their structure.
Subclass:
84
Ties formed of cement, concrete, or other plastic compounds.
(1) Note. For special compositions of plastics for tie
manufacture see Class 106, Compositions: Coating or
Plastic.
Subclass:
85
Metallic or wooden stiffening members embedded in the
interior of plastic-compound ties to strengthen the same.
Subclass:
86
Cement-tie internal-reinforcement members of truss form.
Subclass:
87
Tubular reinforcement members for cement ties.
Subclass:
88
Internal-reinforcement members of cast metal for cement
ties.
Subclass:
89
Internal-reinforcement members of rolled metallic sections
for cement ties.
Subclass:
90
Internal-reinforcement members of loop form for cement ties.
Subclass:
91
Reinforcing rods and bars for cement ties.
Subclass:
92
This subclass is indented under subclass 91. except that the
rods or bars are cross-connected by small frames or
wire-tied.
Subclass:
93
Wire-netting, expanded metal, or perforated sheet metal for
cement-tie reinforcement.
Subclass:
94
Wire used for cement-tie reinforcement.
Subclass:
95
Exterior metallic protective and strengthening members for
cement ties.
Subclass:
96
Metal box casings for cement ties.
Subclass:
97
Tubular casings for cement ties.
Subclass:
98
Side and bottom cover-plates for cement ties.
Subclass:
99
Side casings and top cover-plates for cement ties.
Subclass:
100
Side casings for cement ties.
Subclass:
101
Top cover-plates for cement ties.
SEE OR SEARCH THIS CLASS, SUBCLASS:
116
Subclass:
102
Top and bottom cover-plates for cement ties.
Subclass:
103
Bottom cover-plates for cement ties.
Subclass:
104
End covers and caps for tubular ties and tie-casings.
Subclass:
105
Rods, bars and blocks for keeping the ties properly spaced
apart. These spacers are not designed as rail or load
carrying members.
Subclass:
106
Anchor lugs, ribs and flanges on ties for preventing their
shifting longitudinally in their beds.
Subclass:
107
Railway-tie, tie-plate and rail insulation.
(1) Note. This does not include rail-joint insulation which
may be found in this class, subclasses 152 to 161,
inclusive.
Subclass:
108
Insulation for divided metal tie-sections at their joints
between the rails.
Subclass:
109
Individual supporting-blocks or pot-sleepers adapted to be
embedded in the road-bed or ballast and support the rails.
Two of these blocks or pot-sleepers act as a substitute for a
tie; but they are not designed to have a cross-beam action,
like a tie.
Subclass:
110
The rail-supports are inverted pots or basins.
Subclass:
111
This subclass is indented under subclass 110., but limited to
pots or basins of cast metal.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
112
Each rail is supported on a piece of sheet metal.
SEE OR SEARCH CLASS:
428, Stock Material, or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
113
The sheet-metal rail-support is of inverted-U-shaped form.
Subclass:
114
The rail-support is in the form of tubular section or
box-shaped.
Subclass:
115
Each rail is supported on a concrete block.
Subclass:
116
The concrete blocks are connected transversely of the rails
by bars, upon which the rails are seated.
Subclass:
117
The concrete blocks are connected transversely of the rails
by bars, which latter pass centrally through the concrete
blocks.
Subclass:
118
Each rail is supported on a wooden block.
Subclass:
119
Each rail is supported on a pedestal of pier-like form.
Subclass:
120
Each rail-pedestal has a helical or screw base for engagement
with the road-bed.
Subclass:
121
Relative arrangement of the rails in a two-rail track.
Subclass:
122
Railway-rails not otherwise classified below.
Subclass:
123
Rails having toothed or rack tread-surfaces, usually for use
on steep grades with a locomotive having a cog drive-wheel.
Subclass:
124
Street-railway rails provided with notches or lugs to
facilitate the turning out of a wagon from the street-railway
track.
Subclass:
125
This type of rail is the standard rail of the railway in the
United States. The rail cross-section shows a bulb-shaped
head, a vertical web and an extended flat base.
Subclass:
126
This subclass is indented under subclass 125. except that
the rail-base has a base-bar insert of inverted-T form.
Subclass:
127
Rails which in cross-section are of inverted U, V, or arc
shaped sections.
Subclass:
128
This subclass is indented under subclass 127. except that
the rail is integrally formed.
Subclass:
129
Rails formed of trough-shaped members or channel-irons
adapted to receive tread-surface fillers of wood or metal, so
as to substantially fill the troughs or channels.
Subclass:
130
Rails having expanded flat or bulb heads with single
depending vertical webs.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclass 598
for metallic stock of "T" or "I" cross-section.
Subclass:
131
Flat rails without any vertical supporting-webs.
Subclass:
132
The rail heads and bases are identical, so that the
rail-treads are reversible.
Subclass:
133
The rail-heads are carried by three webs radiating from a
central axis and spaced one hundred and twenty degrees apart.
Any one of these heads may be placed upward for traction
purposes.
Subclass:
134
Rails tubular in form.
Subclass:
135
The tubular rails are integral in construction.
Subclass:
136
Rails having heads of step-tread form for street-railway use,
so that the wheels of street-vehicles may run upon the
depressed tread-surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
130
Subclass:
137
The rail-heads have single vertical webs bifurcated at the
lower portions, forming pairs of diverging webs or feet.
Subclass:
138
The under side of the rail-base is reinforced by bars or
plates, which, with the rail, make together a compound rail.
SEE OR SEARCH THIS CLASS, SUBCLASS:
26
Subclass:
139
The vertical webs of the rails are reinforced by the
attachment of side bars thereto.
Subclass:
140
Street-railway rails of the grooved type, with the
flanged-guard detachable, and step-tread rails having
detachable steps.
Subclass:
141
Rails having their bases and webs split vertically.
SEE OR SEARCH THIS CLASS, SUBCLASS:
142
Subclass:
142
Rail-head treads split vertically through the tread-surface.
Subclass:
143
Rails in which the head is detachable from lower portion of
the rail.
Subclass:
144
Compound rails in which the heads and bases each have
projecting webs, which are lap-connected.
Subclass:
145
The rail-heads have pairs of projecting webs or
single-grooved webs for connection to the rail-bases.
Subclass:
146
Compound rails, the base portions being grooved for the
reception of the upper portions of the rails.
Subclass:
147
Compound rails having twin-angle base-sections, between which
the rail-head web is clamped.
Subclass:
148
Special formation of rail tread-surfaces for effective
engagement with wheel tread-surfaces.
(1) Note. For rail tread-surfaces with rollers see this
class, subclass 16.
Subclass:
149
Variations in the web form of rails.
Subclass:
150
Materials, substances, compositions, or alloys for rails.
SEE OR SEARCH CLASS:
75, Specialized Metallurgical Processes, Compositions for Use
Therein, Consolidated Metal Powder Compositions, etc.,
appropriate subclasses for rails claimed broadly by name only
and defined solely by their metal or alloy composition even
though there is no claim to the metal or alloy, per se. Metal
or alloy compositions used in rails are also found in Class
75.
148, Metal Treatment, appropriate subclasses for rails
claimed broadly by name only and defined significantly or
broadly solely by their metal or alloy composition and
including a specific Class 148 treatment of the metal or
alloy, or for products distinguished only by the internal
structure or characteristics of the metals, metallic
compositions or alloys comprising such structures.
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
151
Means for joining two railway-rails together in aligning
relation for maintenance of the continuity of the track.
SEE OR SEARCH THIS CLASS, SUBCLASS:
14.4 for rail-joints combined with means for electrically
joining the rails.
Subclass:
152
Insulating means for rail-joints to prevent electric current
from passing through the joint from one to the other of the
joined rails.
Subclass:
153
The rail-joint members of the transverse-abutting type, with
insulation between the abutting faces.
Subclass:
154
Insulated rail-joints of the chair type include base-seats
for the abutting rail ends and a flange on one or both sides
of the rail ends made integral with a base seat portion.These
flanges project upwardly and are higher than the highest
portion of the rail-base section.
Subclass:
155
Insulated rail-joints of the twin-chair type, the two parts
of which are in underlapping engagement with the rail-base.
Subclass:
156
This subclass is indented under subclass 155., but using a
separate base-plate upheld by the twin-chair sections or in
which the twin-chair sections are base bolted together.
Subclass:
157
Insulated joints of the angle-chair type in which the rail
ends are seated on one of the angle-flanges and the other
angle-flange projects upwardly along the side of the rail
ends.
Subclass:
158
Insulated joints of the Weber type in which a yieldable joint
of splice-bar type is supported upon an angle-chair.
Subclass:
159
Insulation-joints of the splice-bar type. These bars are
either plates bolted to the rail-webs or these plates may
have angular extensions resting upon the tops of the
rail-base sections.
Subclass:
160
This subclass is indented under subclass 159. with the
additions of a base-plate underlying the rail-bases.
Subclass:
161
This subclass is indented under subclass 159. Insulated
rail-joints are seated in channel-iron sections which may be
integral or made up of two angles underlying the joint.
Subclass:
161.5
This subclass is indented under subclass 151. Rail joints
which include means associated therewith for confining or
receiving a liquid, a liquid bearing substance, or any film
forming material which serves as a lubricant.
SEE OR SEARCH THIS CLASS, SUBCLASS:
163 for rail joints that contain solid material which was
positioned within the joint while in a molten or plastic
state.
SEE OR SEARCH CLASS:
184, Lubrication, subclass 3.1 for apparatus for applying
lubricant to a rail, subclass 5, for slide bearings having
lubricating means incorporated therein, and subclass 100 for
slide bearing lubricators.
384, Bearings, subclass 13 for a linear bearing having
lubricating means incorporated therein.
439, Electrical Connectors, subclasses 41+ for an
electrical connector with vacuum applying means; subclasses
190+ for an electrical connector having a retainer or
passageway for fluent material; and subclasses 519+ for an
electrical connector with provision to restrict environmental
effects thereon.
Subclass:
162
The joint is formed by casting molten metal around the
abutting rail ends.
Subclass:
163
After the rail-joint is in place a molten filler, usually
zinc or lead is poured in between the joint members and the
rail ends.
Subclass:
164
The rail ends may be welded together or the joint members may
be welded to one or both of the rail ends.
Subclass:
165
Rail-joints for swinging switch-rails constructed to allow a
slight pivoting or yielding action.
Subclass:
166
Hinged or pivoted joints permitting vertical or lateral
angular movement between connected rail ends.
SEE OR SEARCH THIS CLASS, SUBCLASS:
174 for articulated rail-joints permitting parallel movement
of rail ends.
Subclass:
167
Rail-joints for connecting abutting rail ends which differ in
cross-sectional contour or size.
Subclass:
168
Rail-joints in which a longitudinal tension-rod appears as a
truss element.
Subclass:
169
Rail-joints having auxiliary beam members parallel to the
rails for stiffening the joint.
(1) Note. This subclass does not include any beam or
stiffening members upon which the rail-joint rests.
Subclass:
170
The weight of the rail ends and load thereon tends to clamp
the joint members more tightly to the rail.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194 and 279
Subclass:
171
Expansion-joints in which one rail end is deflected laterally
by the other rail end to permit unavoidable rail-creeping.
Subclass:
172
Devices for vertical adjustment of the rail-joint or one of
the rail ends.
SEE OR SEARCH THIS CLASS, SUBCLASS:
168 and 215.
Subclass:
173
Rail-joints in which provision is made to permit one rail end
to yield vertically independently of the other abutting rail
end.
Subclass:
174
Vertically-shifting rail-joints for use with turn-bridges,
turn-tables, track-scales, etc., where the level of the
abutting rail ends is variable.
Subclass:
175
Rail-joints for rails of unusual cross-sectional shape.
Subclass:
176
Rail-joints for rails channel-shaped in cross-section.
Subclass:
177
Vignoles rails with the base-sections cut off adjacent the
rail ends, thus leaving a T-section, and T-section rails
engaging a base-joint member with upwardly-projecting
U-flanges.
Subclass:
178
Rail-joints for flat or webless rails.
Subclass:
179
The key joining the rail ends is entirely enclosed in the
interiors of the abutting rail ends.
Subclass:
180
The key is located in the webs of the abutting rail ends and
is flush with the sides of the webs over which splice-bars
may be placed, or the keys alone may constitute the joint
members.
Subclass:
181
The web-key passes transversely through and bridges both
recessed rail-webs and passes at least partially through the
rail splice-bars.
Subclass:
182
The lug-key bridges recessed abutting rail-webs and is
integral with one splice-bar.
Subclass:
183
The lug-key bridges recessed abutting rail-webs and is
integral with both splice-bars.
Subclass:
184
Lugs integral with the joint members and passing through or
partially through the rail-webs, but not so that a single lug
bridges the abutting rail ends.
SEE OR SEARCH THIS CLASS, SUBCLASS:
182
Subclass:
185
Rail-joint plates fitting the rail-web, over-lapping the top
of the rail-base, and having a downwardly-extending
stiffening-flange which in no way furnishes a support for the
under side of the rail-bases.
Subclass:
186
This subclass is indented under subclass 185. with the
exception that the downwardly-extending stiffening- flanges
are connected together, but without effecting engagement with
the underside of the rail-base.
Subclass:
187
Rail-joints having base-sections upon which the rails are
adapted to seat and further provided with one or more
upwardly-extending flange-like members adjacent one or both
sides of the rails.
SEE OR SEARCH THIS CLASS, SUBCLASS:
154
Subclass:
188
This subclass is indented under subclass 187. except the
joint members are in two similar sections with their
base-sections each extending underneath the rail-bases.
SEE OR SEARCH THIS CLASS, SUBCLASS:
155
Subclass:
189
This subclass is indented under subclass 188. except that
the sections under the rail-base having depending stiffening
members.
Subclass:
190
The twin-joint members underlap and uphold a single
base-plate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
156
Subclass:
191
The chair parts are secured together by bolts or other
fastenings under the rail-base and also girder-type twin
chairs which engage the bottom of the rail and have the
girder-flanges connected.
SEE OR SEARCH THIS CLASS, SUBCLASS:
156
Subclass:
192
The twin-joint members overlap either laterally or vertically
beneath the rail-bases.
Subclass:
193
The twin-joint members interlock beneath the rail-bases.The
interlocking may be flanged, lugged, or hooked.
Subclass:
194
This subclass is indented under subclass 193. with the
addition of longitudinal keys for locking the members
together.
Subclass:
195
An angle-chair has a horizontal flange under the rail-bases
and an upright flange parallel to and adjacent the
rail-webs.
SEE OR SEARCH THIS CLASS, SUBCLASS:
157
Subclass:
196
The upright flange of the angle or splice bar is pivoted to
the base-plate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
209 and 210.
Subclass:
197
The upright flange of the angle or the splice-bar is
connected to the base-plate by lugs or fingers interlocking
therewith.
SEE OR SEARCH THIS CLASS, SUBCLASS:
209 and 210.
Subclass:
198
The upright flange or the splice-bar has a longitudinal or
dovetailed sliding locking engagement with the base-plate.
Subclass:
199
The rigid angle-chair cooperates with a splice bar which
underlaps the free edge of the angle base-plate.
Subclass:
200
A complete splice-bar joint carried on an angle-chair with a
lateral cushion between the parts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
158
Subclass:
201
The angle-chair cooperates with a splice-bar which is guided
by and is slidable toward the rails.
Subclass:
202
This subclass is indented under subclass 201. with the
addition of screw-operated means for sliding the splice-bar.
Subclass:
203
This subclass is indented under subclass 201. with the
addition of horizontal wedge means for sliding the
splice-bar.
Subclass:
204
This subclass is indented under subclass 201. with the
addition of vertical wedge means for sliding the splice-bar.
Subclass:
205
The rail-joint is formed of a base-plate with upright side
flanges forming a channel- shaped member fitting and carrying
the rail ends.
SEE OR SEARCH THIS CLASS, SUBCLASS:
154
Subclass:
206
This subclass is indented under subclass 205. with the
addition of a base-plate filler inserted between the rail
bottom and the joint-base.
Subclass:
207
This subclass is indented under subclass 205. with the
addition of a filler member or wedge inserted between the
side of the rail and one of the upstanding joint-flanges.
Subclass:
208
This subclass is indented under subclass 207. except that
filler inserts or wedges are used on both sides of the rail
and inside the channel-shaped joint member.
SEE OR SEARCH THIS CLASS, SUBCLASS:
161 and 170.
Subclass:
209
Flat plates or blocks for supporting abutting rail ends.
SEE OR SEARCH THIS CLASS, SUBCLASS:
160
Subclass:
210
This subclass is indented under subclass 209. with the
addition of longitudinal ribs or flanges on the top of the
plates adjacent the rail ends.
(1) Note. This subclass excludes such flanges as overlap a
splice-bar, which are in subclass 212.
SEE OR SEARCH THIS CLASS, SUBCLASS:
160 212 and 257.
Subclass:
211
The angle splice-bars have depending flanges which underflap
the sides of the base-plate.
Subclass:
212
The upwardly-projecting flanges on the base-plate overlap the
angle splice-bars.
Subclass:
213
Base-plates with girder-flanges or stiffening means.
Subclass:
214
Base-plates of distorted sheet metal for stiffening
purposes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
189
Subclass:
215
The base-plate is usually depressed at the center and carries
a support directly under the abutting rail ends.
Subclass:
216
The base-plate and abutting rail ends have interlocking lug
engagement to prevent rail creepage.
Subclass:
217
The rails are secured to the base-plate by side clips.
Subclass:
218
A joint member which takes the load of the traction-wheels
off the tread-surfaces of the abutting rail ends.
(1) Note. This subclass includes most of this type in which
the rail-sections are not changed.
Subclass:
219
The abutting rail-heads are grooved or recessed to receive a
bridging insert.
Subclass:
220
A thin sheet-metal tread covering is placed over the abutting
rail ends.
Subclass:
221
The abutting rail-heads are mortised on one side to receive
the bridge-piece.
Subclass:
222
The abutting rail-heads are mortised on both sides to receive
a pair of bridge-pieces.
Subclass:
223
A tread member including a rail-head with a central or a
single side shank is inserted between the abutting rail
ends.
Subclass:
224
An inserted rail-head section provided with a pair of legs
which straddles the rail-webs.
Subclass:
225
The tread-block inserted between the rail ends takes up the
space of the full rail-section.
Subclass:
226
This subclass is indented under subclass 225. except that
the tread-block is locked in place by a splice-bar resting
against the rail-webs.
Subclass:
227
Filling-in pieces between separated standard-section rail
ends.
Subclass:
228
Elastic or expanding fillers between standard-section rail
ends.
Subclass:
229
The rail ends are centrally slotted from top to bottom to
receive vertical tread-plates.
Subclass:
230
The rail ends overlap each other and are beveled, notched, or
mortised to form the joints.
SEE OR SEARCH CLASS:
403, Joints and Connections, subclasses 339+ for scarf
joints in general.
Subclass:
231
The specially-shaped rail ends are assembled in joint form by
longitudinal movement only.
Subclass:
232
This subclass is indented under subclass 231. except that
joined rail ends are exact duplicates.
Subclass:
233
The specially-formed rail ends are assembled by longitudinal
movement supplemented with a vertical drop by one of the rail
ends.
Subclass:
234
The specially-formed rail ends may be assembled by either a
longitudinal or vertical movement of the rail ends.
Subclass:
235
The specially-formed rail ends are assembled by vertical
movement only.
SEE OR SEARCH THIS CLASS, SUBCLASS:
177 and 216.
Subclass:
236
The specially-formed rail ends may be assembled laterally to
form the joint.
Subclass:
237
This subclass is indented under subclass 236. except that
the specially-formed rail ends are duplicates.
Subclass:
238
This subclass is indented under subclass 236., except that
the integral engaging parts prevent the longitudinal
separation of the rails.
Subclass:
239
This subclass is indented under subclass 238. except that
the specially-formed rail ends are duplicates.
Subclass:
240
The specially-formed rail ends can only be assembled by
angular positioning of the rails relatively to each other.
Subclass:
241
This subclass is indented under subclass 240. except that
the specially-formed rail ends must be arranged in
longitudinal angular relation to assemble the joint.
Subclass:
242
This subclass is indented under subclass 240. except that
the specially-formed rail ends must be arranged in lateral
angular relation to assemble the joint. This relative angular
movement means on axial adjustment of one rail about its
longitudinal axis.
Subclass:
243
Splice or angle bars for rail connections which fit the
rail-webs and may cover the rail-base tops.
SEE OR SEARCH THIS CLASS, SUBCLASS:
159 160, 212, and 263.
Subclass:
244
The splice-bar element filling the rail fishing-space or
abutting the rail-web is composed of several parts.
Subclass:
245
The splice-bar is made up of two parts forced into the rail
fishing-space by movement like straightening a toggle-joint.
Subclass:
246
The splice-bars are slid into position longitudinally and are
held in place by guides integral with the rail.
SEE OR SEARCH THIS CLASS, SUBCLASS:
226
Subclass:
247
This subclass is indented under subclass 246. except that
the splice-bar guides are detachable from the rail ends.
Subclass:
248
The splice-bars slide in sleeves attached to the rail ends.
Subclass:
249
The splice-bars are bolts or rods which pass through sleeves
formed on or secured to the rail ends.
Subclass:
250
One splice-bar carries looped lugs which pass through the
rail-web, and the other splice-bar passes through the looped
lugs.
Subclass:
251
One splice-bar has bayonet-slots for slidable locking
engagement with a bolt or a lug on the other splice-bar.
Subclass:
252
Two splice-bars with an auxiliary slotted locking-plate which
engages the bolt-heads. These plates may slide vertically or
horizontally.
Subclass:
253
Splice-bar joints with transverse keys engaging apertures or
notches in the bolts.
Subclass:
254
One edge of the splice-bar engages in a groove or recess in a
rail and pivots in this recess to seating position.
Subclass:
255
The splice-bars are seated and held by a cam fastening.
Subclass:
256
The U-bars span the joint, and the legs pass through the
rail-webs. The loops span the joint.
SEE OR SEARCH THIS CLASS, SUBCLASS:
378
Subclass:
257
The angle-bars have their outer lower edges beveled upwardly
and outwardly.
Subclass:
258
The splice-bars are thickened at the middle and taper toward
the ends.
Subclass:
259
The splice-bars are spring members or spring-supported. This
does not include mere spring-washers.
Subclass:
260
Fastening devices for splice-bars and rail-joints not
otherwise classified.
SEE OR SEARCH THIS CLASS, SUBCLASS:
181
Subclass:
261
Special fastening for splice-bar bolts. The double keys are
usually duplicates reversely arranged.
Subclass:
262
Nut and bolt locks for rail-joints not otherwise classified
in which a substantial modification of a rail-joint member
forms a part of the nut or bolt lock.
SEE OR SEARCH CLASS:
411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or
Locked-Threaded Fastener, subclasses 81+ for a threaded
fastener (i.e., a bolt or nut) and means for restricting the
rotation thereof relative to a coacting substructure (e.g.,
the substructure may be the splice bar of a rail joint).
Subclass:
263
The clamp member passes underneath the rail-base and engages
the splice-bars or joint members to bind them against the
rail.
Subclass:
264
Rail seats or supports other than tie-plates adapted to
support a rail on a tie, pot-sleeper, or stringer.
Subclass:
265
Rail-seats with base-anchors adapted to be embedded in
concrete.
Subclass:
266
Rail-chairs for holding reversible rails. The heads and bases
of the rail are alike.
Subclass:
267
Rail-seats for T-rails having no base-flanges.
SEE OR SEARCH THIS CLASS, SUBCLASS:
177
Subclass:
268
Rail-seats for T-rails.
SEE OR SEARCH THIS CLASS, SUBCLASS:
176
Subclass:
269
Rail-seats of cast metal.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
270
Rail-seats cast integrally with a tie.
SEE OR SEARCH THIS CLASS, SUBCLASS:
30
Subclass:
271
Cast-rail-seats with flat or plane tops.
Subclass:
272
Rail seats of wrought or sheet metal.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, subclasses
544+ for nominally claimed metallic track, that is, having
some structural description, but insufficient to limit its
use to that of a railway track, element, adjunct or
material.
Subclass:
273
Wrought or sheet metal rail-seats made integrally with a
tie.
Subclass:
274
Wrought or sheet metal rail-seats having flat or plane tops.
Subclass:
275
Twin-section rail-seats divided under the rail base and
usually having flanges extending over the rail base-flanges.
Subclass:
276
This subclass is indented under subclass 275. except that
the jaws are made of wrought or sheet metal.
Subclass:
277
Pivoted rail-supporting seats.
Subclass:
278
Half or the rail-seat is formed on the tie or stringer, and
the other half of the rail-seat is laterally applied and has
a flange to engage the top of the rail-base.
Subclass:
279
The weight of the rails acts upon the seat members through
levers, wedges, or rocking elements to hold the rail to its
seat.
SEE OR SEARCH THIS CLASS, SUBCLASS:
170
Subclass:
280
The saddle is a rectangular frame two sides of which pass
under the rail-base and the other two sides of which pass
over the tie tops and engage the edges of the rail-base. The
saddle does not uphold the rail.
Subclass:
281
Rail-seats which may be vertically adjusted.
SEE OR SEARCH THIS CLASS, SUBCLASS:
172
Subclass:
282
Rail-seats which may be laterally adjusted
SEE OR SEARCH THIS CLASS, SUBCLASS:
281
Subclass:
283
Cushions and yielding supports for rails or rail-seats.
Subclass:
284
Metallic springs for supporting rails, either directly or
through interposed seats.
SEE OR SEARCH THIS CLASS, SUBCLASS:
302
Subclass:
285
This subclass is indented under subclass 283. except that
wood blocks are used.
SEE OR SEARCH THIS CLASS, SUBCLASS:
118
Subclass:
286
Wooden blocks upon which rails are seated and into which the
rail-holding spikes or fastening penetrate.
Subclass:
287
Tie-plates for use on ties and stringers.
Subclass:
288
Tie-plates cross-connected under both track-rails on top of a
tie or a single tie-plate extending under both rails.
Subclass:
289
A tie-plate extending longitudinally under a rail and over a
plurality of ties.
SEE OR SEARCH THIS CLASS, SUBCLASS:
209 through 217, inclusive.
Subclass:
290
Tie-plates each composed of a plurality of sections
overlapping each other or having laterally-lapping parts in a
horizontal plane.
Subclass:
291
This subclass is indented under subclass 290. except that
the lapping sections interlock with each other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
193
Subclass:
292
Tie-plates each carrying a rail-brace engaging the
rail-head.
SEE OR SEARCH THIS CLASS, SUBCLASS:
281
Subclass:
293
Tie plates each having integrally formed therewith a
rail-head-engaging brace.
Subclass:
294
A tie-plate with a spike-locking member, usually engaging the
top of the spike-head.
Subclass:
295
A tie-plate engaging a locking lug or recess on a spike.
Subclass:
296
Tie-plates with pawl-locks for the spikes.
Subclass:
297
Bolts, lugs and prongs for fastening tie-plates to the ties.
Subclass:
298
This subclass is indented under subclass 297. except that
tie-plate-anchoring members are integrally formed with the
tie-plate.
Subclass:
299
Tie-plates having depending flanges engaging the outer sides
or end of a tie.
SEE OR SEARCH THIS CLASS, SUBCLASS:
305
Subclass:
300
Tie-plates have depending parts surrounding the under side of
the tie.
SEE OR SEARCH THIS CLASS, SUBCLASS:
314
Subclass:
301
Tie-plates adapted to be used either side up.
Subclass:
302
Tie-plates adapted to act as springs or cushions.
Subclass:
303
Tie-plates for use with screw-spikes.
Subclass:
304
Top-surface form and attachments for tie-plates.
SEE OR SEARCH THIS CLASS, SUBCLASS:
292 293, 299, 301, and 303.
Subclass:
305
Tie-plates adapted for slight rotation when placed in final
seated position. The rotation locks the rail in place.
Subclass:
306
Form variation for rail-seating surfaces on tie-plates.
Subclass:
307
Special contours or outline-forms for tie-plates.
Subclass:
308
Relative arrangement of spike-holes in tie plates.
Subclass:
309
Tie-plates with means for bracing the spike-shanks.
Subclass:
310
Fastenings not otherwise classified for railway-track
structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
14.05 particularly subclasses 14.13, 14.1 and 14.15 for
fastenings designed to secure a rail-bond or other electric
connector to a rail.
Subclass:
311
Fastening by welding.
SEE OR SEARCH THIS CLASS, SUBCLASS:
16
Subclass:
312
Boxes and closures for protection of rail-joints and other
track elements.
(1) Note. For protective devices limited to the protection
of rail-bonds, see this class, subclass 14.9.
Subclass:
313
Rail-fastenings with a continual series of fastening elements
on a tie, so that a rail may be detachably secured at any
desired point on a tie.
Subclass:
314
Fastening devices have yoke-anchoring devices each
surrounding a tie.
SEE OR SEARCH THIS CLASS, SUBCLASS:
300
Subclass:
315
Anchoring devices to prevent creepage of rails or to prevent
the track structure from displacement.
Subclass:
316
Pawls engaging the rails to prevent creepage.
Subclass:
317
Cams engaging the rails to prevent creepage.
SEE OR SEARCH THIS CLASS, SUBCLASS:
341
Subclass:
318
Lug or bolt devices entering rail-recesses to prevent
rail-creepage.
SEE OR SEARCH THIS CLASS, SUBCLASS:
216
Subclass:
319
Lugged rails to prevent rail-creepage.
Subclass:
320
Distorted rail-base flanges to prevent creepage.
Subclass:
321
Devices for prevention of creepage of rails which abut
against the tie sides and which do not support any vertical
load.
Subclass:
322
Tie-abutting anticreepers cam-actuated.
Subclass:
323
Tie-abutting anticreepers with transverse rail-base-engaging
clips.
Subclass:
324
Tie-abutting anticreepers wedge-actuated.
Subclass:
325
Tie-abutting anticreepers with bevel sliding sections.
Subclass:
326
This subclass is indented under subclass 325. except that
each section overlaps the other at one of its ends.
Subclass:
327
Tie abutting anticreepers with twin jaws base-connected.
Subclass:
328
This subclass is indented under subclass 327. with
tightening- wedge.
Subclass:
329
Tie-abutting anticreepers with side abutment giving a
diagonal or inclined position to the connecting member under
the rail-base.
Subclass:
330
This subclass is indented under subclass 329. except that
the anticreeper is an integral structure.
Subclass:
331
Rail-fastenings adapted to have transverse sliding movements
relatively to the rails.
Subclass:
332
This subclass is indented under subclass 331. except that
the slide is operated by a screw.
SEE OR SEARCH THIS CLASS, SUBCLASS:
202
Subclass:
333
This subclass is indented under subclass 331. except that
the slide is actuated by a horizontal wedge.
SEE OR SEARCH THIS CLASS, SUBCLASS:
203
Subclass:
334
This subclass is indented under subclass 331. except that
the slide is actuated by a vertical wedge.
SEE OR SEARCH THIS CLASS, SUBCLASS:
204
Subclass:
335
Abutting screw points or ends against rails.
Subclass:
336
Braces abutting rail-heads to hold them in place.
SEE OR SEARCH THIS CLASS, SUBCLASS:
281
292 293, for rail-braces mounted on tie-plates.
Subclass:
337
Rail-braces having varying points of engagement with the rail
as the rail is shimmed up more or less.
SEE OR SEARCH THIS CLASS, SUBCLASS:
281
Subclass:
338
Clamps for holding railbases to their seats or supports.
SEE OR SEARCH CLASS:
187, Elevators, Industrial Lift Truck, or Stationary Lift for
Vehicle, subclass 408 for means for attaching elevator guide
rails to the elevator shaft.
Subclass:
339
Rail-clamping devices interconnected between the two rails.
Subclass:
340
Rail-clamps having a plurality of rail-flange engaging faces
for interchangeable or selective use, as in case of rail
adjustment.
Subclass:
341
Rail-clamps of cam bolt head or cam type for rail
adjustment.
Subclass:
342
Rail-clamps of nut type.
Subclass:
343
Rail-clamps having anchoring-lugs on their bases or rear
abutments to hold them in place.
Subclass:
344
Rail-clamps having depending platelike faces to be fastened
to tie sides or other vertical faces.
Subclass:
345
Rail-clamps having vertical bolt-like shanks.
Subclass:
346
Rail-clamps having ratchet or step-by-step engagement with
their supports for adjustment purposes.
Subclass:
347
Rail-clamps having inclined or beveled guides for
longitudinal movement of the clamp to effect lateral
adjustment of the rail.
SEE OR SEARCH THIS CLASS, SUBCLASS:
362 and 363.
Subclass:
348
Rail-clamps the rearwardly-extending arms of which enter and
pass rearwardly beneath the tie interior and may pass out
through the tie at the extreme rear end.
Subclass:
349
Rail-clamps of spring metal or spring metal or
spring-pressed.
SEE OR SEARCH CLASS:
187, Elevators, Industrial Lift Truck, or Stationary Lift for
Vehicle, subclass 408 for means for attaching elevator guide
rails to the elevator shaft.
Subclass:
350
Rail-engaging lugs made integrally with the tie.
Subclass:
351
Rail-fastenings of the clip type usually sprung or driven
into position transversely.
SEE OR SEARCH THIS CLASS, SUBCLASS:
217
Subclass:
352
Rail and tie clips having a jaw engaging over the rail-base
flange and a depending jaw at right angles to the first jaw
for engagement with a transverse tie.
Subclass:
353
A rail-clip forced to engaging position by a vertical wedge.
Subclass:
354
This subclass is indented under subclass 353. except that
the clip is actuated by a horizontal wedge.
Subclass:
355
Hooks for holding a rail to its seat.
Subclass:
356
Pivoted hooks swingable into engagement with a rail-base
flange.
Subclass:
357
Vertical hooks in engagement with both sides of a rail-base.
Subclass:
358
This subclass is indented under subclass 357. except that
both hooks are held to place by a single through-bolt.
Subclass:
359
This subclass is indented under subclass 357. except that
both hooks are pivotally mounted on a single pivot.
Subclass:
360
Rail-clamps of a lever type.
SEE OR SEARCH THIS CLASS, SUBCLASS:
279
Subclass:
361
Wedges for fastening rails.
SEE OR SEARCH THIS CLASS, SUBCLASS:
206 207, 208, 253, 266, 267, and 324.
Subclass:
362
Parallel wedges usually engaging the opposite sides of a rail
for adjustment purposes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
208
Subclass:
363
Pairs of aligned wedges for rail fastenings and joints.
Subclass:
364
Wedges for engagement of the edge of the base-flanges of
railway-rails.
SEE OR SEARCH THIS CLASS, SUBCLASS:
21
Subclass:
365
Locks for wedges involving modification of track elements.
Subclass:
366
Spikes and bolts of such forms as to be capable of use only
with track elements substantially modified to cooperate with
such spikes or bolts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
295
SEE OR SEARCH CLASS:
411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or
Locked-Threaded Fastener, subclasses 439+ for spikes of
general application.
Subclass:
367
Spikes adapted to have interlocking engagement with each
other in the interior of a tie.
Subclass:
368
Spikes bent in driving for locking purposes.
Subclass:
369
Split-ended spikes for cooperation with special
track-fastenings.
Subclass:
370
Plugs into which spikes are adapted to be driven.
Subclass:
371
Sockets for the reception of spikes. These sockets form a
portion of the tie structure.
Subclass:
372
Screw-spikes not adapted for general use, but only as
track-fastening devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
303
Subclass:
373
Sockets for screw-spikes. These sockets form either a
portion of the tie structure or a portion of the rail-seat.
Subclass:
374
Sockets for the reception of a spike or bolt together with a
wedge placed in the socket with the spike or bolt.
Subclass:
375
Locking devices for spikes and bolts not adapted for general
use, but only for track-fastening devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
294 and 295.
Subclass:
376
Ratcheted spikes or bolts adapted for use only with
track-fastenings.
Subclass:
377
Bolt-anchors in ties and concrete and bolt-sleeves adapted
for use only with track-fastenings.
Subclass:
378
U-bolts and clips adapted for use only with
track-fastenings.
(1) Note. These clips differ from those of subclass 351 in
that they require bending of ends or additional fastening
means to hold them in place.
Subclass:
379
Devices for preventing a person's foot from being caught in
frogs, switches, or guard-rails.
Subclass:
380
Devices for preventing a person's foot from being caught by a
movable switch-point.
Subclass:
381
Foot-guards which yield and are depressed by the passage of a
wheel-flange thereover, but which will not be depressed when
stepped upon.
Subclass:
382
Devices for deadening noise in railway-track other than
cushion elements for the rails. The latter devices are found
in subclasses 283, 284 and 285.
Information Products Division -- Contacts
Questions regarding this report should be directed to:
U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov
Last Modified: 6 October 2000