BOMBARDIER CORPORATION, A CORP. OF IDAHO

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5073686 Knife switchExpiredSep 21, 90Dec 17, 91[H01H]
4932330 Primary suspension system for a railway carExpiredSep 08, 86Jun 12, 90[B61F]
4732372 Dampers for mechanical railway springsExpiredJul 11, 86Mar 22, 88[F16F]
4712488 Elastomeric member having flexible woven material bonded thereto in a railway truck primary suspension systemExpiredOct 24, 86Dec 15, 87[B61F]
4688777 Pair of stacked springs for a railway carExpiredNov 01, 85Aug 25, 87[F16F]
4674413 Truck for a railway carExpiredNov 09, 83Jun 23, 87[B61F]
4653683 Means and method for securing a tubular member to a side frame of a rail car truckExpiredDec 24, 84Mar 31, 87[B23K]
4648764 Portable stacking containers locking deviceExpiredJun 07, 82Mar 10, 87[B61D, B60P]
4633786 Flexible transom connected between side frames of a railway truck to provide equalizationExpiredFeb 04, 85Jan 06, 87[B61F]
4570545 Connecting means for a stanchion in a railway carExpiredSep 19, 83Feb 18, 86[B61D]
4555095 Isolator for a spring in a railway carExpiredMar 12, 84Nov 26, 85[F16F]
4538524 Equalization means for a railway truckExpiredDec 08, 83Sep 03, 85[B61F]
4526109 Laterally damped railway carExpiredSep 06, 83Jul 02, 85[B61F]
4522304 Shock mount apparatusExpiredApr 19, 82Jun 11, 85[F16F, B65D]
4516507 Mechanical stop mechanism for a tilt system in a railway carExpiredAug 23, 82May 14, 85[B61F]
4497512 Emergency release handleExpiredSep 19, 83Feb 05, 85[E05C]
4488495 Soft primar suspension system for a railway carExpiredDec 28, 81Dec 18, 84[B61F]
4487133 Primary suspension system for providing low vertical and longitudinal spring rates in a railway capExpiredSep 24, 82Dec 11, 84[B61F]
4478153 Resilient steering control assemblyExpiredFeb 26, 82Oct 23, 84[B61F]
4469028 Primary suspension system for a railway car with vertical and longitudinal complianceExpiredDec 28, 81Sep 04, 84[B61F]

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