MAZDA KABUSHIKI KAISHA, (KNOW IN ENGLISH AS MAZDA MOTOR CORPORATION)

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4573371 Auxiliary power transmission having synchronizing mechanismExpiredJan 25, 82Mar 04, 86[F16D, F16H]
4571938 Exhaust gas cleaning device for diesel enginesExpiredAug 26, 83Feb 25, 86[F01N]
4557241 Fuel injection means having air bleed meansExpiredFeb 02, 82Dec 10, 85[F02B]
4552111 Engine knocking detecting meansExpiredJul 18, 83Nov 12, 85[G01I, F02P, F02D]
4545612 Front side structure of an automobile bodyExpiredAug 24, 82Oct 08, 85[B62D]
4536007 Vehicle rear suspension mechanismExpiredApr 27, 83Aug 20, 85[B60G]
4529222 Vehicle rear suspension mechanismExpiredMay 26, 83Jul 16, 85[B60G]
4526400 Vehicle rear suspension mechanismExpiredApr 27, 83Jul 02, 85[B60G]
4519484 Multiple clutch transmission having gear control deviceExpiredFeb 18, 83May 28, 85[B60K, F16H]
4517859 Shift up clutch control in a multiple clutch type gear transmission for automobileExpiredDec 30, 82May 21, 85[B60K, F16H]
4517947 Multiple cylinder engine having air-fuel ratio control means in accordance with a signal from an exhaust gas sensorExpiredMar 08, 82May 21, 85[F02M]
4516991 Air cleaning apparatusExpiredApr 25, 83May 14, 85[B03C]
4513696 Apparatus for charging cooling liquid to engine cooling systemExpiredMay 23, 83Apr 30, 85[F01P]
4512313 Engine control system having exhaust gas sensorExpiredJun 03, 83Apr 23, 85[F02M]
4511160 Vehicle rear wheel suspensionExpiredMay 26, 83Apr 16, 85[B60G]
4509355 Apparatus for forming a sheet metal product having an openingExpiredSep 27, 82Apr 09, 85[B21D]
4509790 Lower body structure of cab-over type automobilesExpiredJan 17, 83Apr 09, 85[B62D]
4508035 Explosive charging apparatus for rock drillingExpiredFeb 18, 83Apr 02, 85[F42B]
4508078 Electrically operated engine throttle valve actuating deviceExpiredJul 08, 83Apr 02, 85[F02D]
4502435 Intake system for multiple cylinder internal combustion engineExpiredSep 06, 83Mar 05, 85[F02D]

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