SLM Schweizerische Lokomotiv- und Maschinenfabrik AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5909711 Bogie for a railway vehicle with adjustable wheel sets and railway vehicle with such a bogieExpiredAug 22, 96Jun 08, 99[B61D]
5638757 Rail vehicle and truck for such a vehicleExpiredOct 15, 96Jun 17, 97[B61F]
4787318 Traction bogie for a rail vehicleExpiredFeb 13, 87Nov 29, 88[B61B]
4411202 Rail vehicleExpiredJul 07, 80Oct 25, 83[B61F]
4373447 Rail vehicle passenger bodyExpiredDec 21, 79Feb 15, 83[B61D]
4362110 Interconnected railway vehicle trucksExpiredJul 07, 80Dec 07, 82[B61F]
4337705 Resiliently interconnected pivoted trucksExpiredApr 03, 78Jul 06, 82[B61F]
4337706 Railway locomotiveExpiredDec 12, 80Jul 06, 82[B61F, B61C]
4327649 Maximum traction locomotiveExpiredMay 11, 79May 04, 82[B61F]
4324187 Rail vehicle having a roll support deviceExpiredAug 29, 79Apr 13, 82[B61F]
4287832 Transversely torsionally interconnected railway vehicle trucksExpiredJul 10, 78Sep 08, 81[B61F]
4273055 Railway vehicle traction and braking force transmitting systemExpiredSep 18, 78Jun 16, 81[B61F]
4228740 Transversely interconnected trucksExpiredJul 10, 78Oct 21, 80[B61F]
4226306 Apparatus for actuating a braking unitExpiredJan 16, 79Oct 07, 80[F16D]
4201277 Hydraulic actuation system for a rail vehicleExpiredNov 28, 78May 06, 80[F16D]

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