GKN-Stenman AB

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4631941 Cylinder lock with permissible service entryExpiredDec 20, 84Dec 30, 86[F05B]
4577479 Cylinder lock arrangement for preventing pickingExpiredApr 30, 85Mar 25, 86[E05B]
4548061 Cylinder-lock attachment meansExpiredJun 22, 82Oct 22, 85[F16B, E05B]
D278880 Key blankExpiredFeb 10, 82May 21, 85[]
4507944 Cylinder lock combination, a lock cylinder and a key for such a combinationExpiredDec 30, 81Apr 02, 85[E05B]
D274302 Coded key blankExpiredFeb 10, 82Jun 19, 84[]
4453432 Method of manufacturing a key for a cylindrical lockExpiredAug 02, 82Jun 12, 84[B21K, E05B]
4393673 Cylinder lockExpiredJul 02, 80Jul 19, 83[E05B]
4356713 Cylinder lock and keyExpiredJul 02, 80Nov 02, 82[E05B]
D264680 Locking pinExpiredJan 09, 80Jun 01, 82[D080]
4329768 Method of manufacturing a lock follower arm with a press-fitted hubExpiredApr 01, 80May 18, 82[B23P]
4296619 Anchoring means for door lock platesExpiredDec 20, 79Oct 27, 81[E05B]
4294092 Cylinder lock having spring-actuated pinsExpiredFeb 13, 80Oct 13, 81[E05B]
4266711 Method of manufacturing a lock cylinder followerExpiredJul 27, 79May 12, 81[B23K]
4226454 Lock follower, particularly a handle or pressure follower, and a method of manufacturing the sameExpiredMar 07, 78Oct 07, 80[F16B, E05B]
4185481 Lock follower, particularly a cylinder follower, and a method of manufacturing the sameExpiredMar 07, 78Jan 29, 80[E05B]

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