FIRST CITY NATIONAL BANK OF HOUSTON, A NATIONAL BANKING ASSOCIATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4882981 Continuous proof and bake apparatus having improved conveyor systemExpiredMay 12, 88Nov 28, 89[A21D, A21B]
4846647 Air circulation and exhaust control system for commercial ovensExpiredAug 01, 88Jul 11, 89[F27B]
4836360 Continuous proofing and baking apparatus having magnetic conveyor systemExpiredJun 08, 87Jun 06, 89[A21C]
4792303 Air circulation and exhaust control system for commercial ovensExpiredSep 28, 87Dec 20, 88[F23J, F27B]
4787842 Air circulation and exhaust control system for commercial ovensExpiredSep 28, 87Nov 29, 88[F23J]
4760911 Conveyor system for use in a continuous proofing and baking apparatusExpiredJun 26, 87Aug 02, 88[B65G]
4729470 Continuous proofing and baking apparatus having improved conveyor systemExpiredJun 27, 86Mar 08, 88[B65G]
4726766 Air circulation and exhaust control system for commerical ovensExpiredDec 01, 86Feb 23, 88[F27B]
4699559 Pattern former/loader system for bakery productsExpiredMar 26, 84Oct 13, 87[B65G]
4640410 Conveying system of the type in which plastic carriers are mounted on plastic links of a conveyor chainExpiredOct 11, 83Feb 03, 87[B65G]
4588424 Fluid pumping systemExpiredOct 16, 84May 13, 86[F04B, B01D]
4579218 Conveyor drive mechanismExpiredOct 11, 83Apr 01, 86[B65G]
4576277 Conveyor system with removable wear membersExpiredOct 11, 83Mar 18, 86[B65G]
4514167 Oven heating systemExpiredOct 11, 83Apr 30, 85[F27B, F27D]
4508206 Conveyor and sorting switchExpiredNov 29, 82Apr 02, 85[B65G]
4474550 Thermostatic control systemExpiredMar 18, 82Oct 02, 84[F23N]
4473010 Sensor traversing deviceExpiredDec 04, 81Sep 25, 84[B61B]
4440288 Group end sensorExpiredDec 04, 81Apr 03, 84[B65G]
4305895 Bubble cap and riser constructionExpiredMay 05, 80Dec 15, 81[B01F]
4237763 Apparatus for slicing or scoring muffinsExpiredMar 19, 79Dec 09, 80[B26D, A21C]

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