Massey-Ferguson Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4803832 Method and apparatus for forming balesExpiredJun 22, 81Feb 14, 89[A01D]
4715012 Electronic tractor controlExpiredOct 15, 80Dec 22, 87[G06F]
4640146 Multiratio constant mesh change speed transmissionExpiredApr 25, 83Feb 03, 87[F16H]
4592455 Clutch and transmission brake assemblyExpiredJun 28, 83Jun 03, 86[F16D]
4590817 Gear selector meansExpiredMar 01, 84May 27, 86[B60K]
4574926 Oil cooled and fluid pressure operated clutch assemblyExpiredJun 28, 83Mar 11, 86[F16D]
4475615 Power steering systemExpiredAug 16, 82Oct 09, 84[B62D]
4425970 Tractor draft sensing apparatusExpiredSep 21, 81Jan 17, 84[A01B]
4411319 Sensitivity adjusting apparatus for tractor draft sensing and control systemExpiredAug 02, 78Oct 25, 83[A01B]
4367656 Single axis force transducerExpiredDec 01, 80Jan 11, 83[G01L]
4364231 Compound master brake cylinderExpiredApr 23, 80Dec 21, 82[B60T]
4363384 Brake assemblyExpiredAug 02, 78Dec 14, 82[F16D]
4347760 Locking differential control systemExpiredJan 25, 80Sep 07, 82[F16H]
4282775 Transmission having a two-speed planetary gear setExpiredMay 18, 79Aug 11, 81[F16H]
4266446 High torque infinitely variable traction drive transmissionExpiredApr 05, 79May 12, 81[F16H]
4266616 Draft sensing apparatus wherein effect of vertical deflection reduced to insignificant levels compared to horizontal deflectionExpiredJun 29, 79May 12, 81[A01B]
4243271 Hydraulic braking systemExpiredMay 31, 79Jan 06, 81[B60T]
4206813 Draft sensing apparatusExpiredAug 02, 78Jun 10, 80[A01B]
4205705 Operating structure for a brake valve constructionExpiredJun 30, 78Jun 03, 80[F16K]
D254548 Hydraulic hose guard for use with excavating machines or the likeExpiredJul 21, 77Mar 25, 80[D150]

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