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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4877179 Farebox security deviceExpiredMar 31, 88Oct 31, 89[G07B]
4798942 Easy access ticket transport mechanismExpiredFeb 21, 86Jan 17, 89[G06K]
D296908 Fare transfer dispenserExpiredMar 18, 85Jul 26, 88[]
4732375 Apparatus for handling strip-like mediaExpiredJul 24, 86Mar 22, 88[B65H]
D294146 Fast pass card reader unitExpiredMar 14, 85Feb 09, 88[]
D293792 Fast pass card encoding unitExpiredMar 14, 85Jan 19, 88[]
D292939 Fare collection ticket transportExpiredApr 18, 85Nov 24, 87[]
D289099 Fast fare processor unitExpiredJun 25, 84Mar 31, 87[]
4648327 Safe locking mechanismExpiredJul 01, 85Mar 10, 87[E05G]
4616128 Mechanism to maintain contact between a magnetically-encoded card and a magnetic transducer surfaceExpiredJan 30, 84Oct 07, 86[G06K]
4605843 Easy access ticket transportExpiredApr 18, 85Aug 12, 86[G07B, G06K]
D284705 Entry gate cabinetExpiredDec 28, 83Jul 15, 86[]
D284511 Fare collection gateExpiredApr 23, 84Jul 01, 86[]
D284512 Fare processing gate unitExpiredJun 06, 84Jul 01, 86[]
4587434 Currency note validatorExpiredJul 31, 85May 06, 86[G06K]
4579228 Ticket diverter moduleExpiredOct 31, 83Apr 01, 86[B07C, G06K]
4535892 Modularized ticket handling system for use in automatic ticket preparation systemExpiredJan 05, 83Aug 20, 85[B07C]
4531171 Bidirectional brush pressure source for magnetic read/write headsExpiredApr 06, 84Jul 23, 85[G11B]
4459527 Stepper motor control circuitExpiredMar 23, 83Jul 10, 84[H02K]
4449186 Touch panel passenger self-ticketing systemExpiredOct 15, 81May 15, 84[G07F]

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