CDF Note 3125 "Limit on B_c production from the Combined Run-1a and run-1b J/psi Data" is available for pre-blessing. This note describes the limit on B_c production to J/psi+pi relative to B_u to J/psi+K using the data up through March of 1995. The back-ground note for this document is CDF/2521 The blessing talk will be in two weeks. B. Todd Huffman Posted to CDF$PUB:CDF3125_LIMIT_ON_B_C_PRODUCT.PS Posted by FNALE::NIIMI