Toyo Kogyo Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5037102 Golf club headExpiredJul 13, 89Aug 06, 91[A63B]
4657102 Four-wheel steering device for vehicleExpiredJan 27, 86Apr 14, 87[B62D]
4570968 Vehicle suspension systemExpiredNov 30, 83Feb 18, 86[B62D]
4543931 Engine intake systemExpiredDec 28, 83Oct 01, 85[F02B]
4529222 Vehicle rear suspension mechanismExpiredMay 26, 83Jul 16, 85[B60G]
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]
4511129 Quarter-window structure for vehicleExpiredOct 25, 83Apr 16, 85[B60J]
4440236 Hydraulic control system for a rock drillExpiredMay 05, 83Apr 03, 84[B23Q, E21C]
4427869 Method for manufacturing panel assemblies for automobilesExpiredSep 30, 82Jan 24, 84[B23K]
4422278 Panel fitting deviceExpiredJun 05, 81Dec 27, 83[E04B]
4421350 Foot-operated, latch releasing mechanism for automobile doorsExpiredJun 16, 80Dec 20, 83[E05C]
4402545 Stiffened automobile body structureExpiredFeb 24, 81Sep 06, 83[B62D]
4393840 Fuel control system for automobile engineExpiredAug 26, 80Jul 19, 83[F02M, F02B]
4366598 Hinge structureExpiredFeb 27, 80Jan 04, 83[E05D]
4363499 Tiltable steering mechanism for automobilesExpiredFeb 13, 80Dec 14, 82[B62D]
4362331 Automobile front body constructionExpiredJan 08, 81Dec 07, 82[B60K]
4358259 Rotary piston engine sealing mechanismsExpiredFeb 15, 80Nov 09, 82[F01C]
4348046 Rear side door structure for a four-door type automobileExpiredJul 14, 80Sep 07, 82[B60J]
4345432 Exhaust gas purifying system for internal combustion engineExpiredJul 16, 80Aug 24, 82[F01N, F02D]
4343367 Drilling machine positioning arrangementExpiredNov 18, 80Aug 10, 82[E21C]

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