WABASH NATIONAL CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5607200 Curtain securing mechanismExpiredApr 21, 95Mar 04, 97[B60P]
5318335 Container lifting deviceExpiredNov 25, 92Jun 07, 94[B65D]
5242185 Shallow nose platform trailerExpiredMar 09, 92Sep 07, 93[B62D]
5218794 Movable deck systemExpiredMay 18, 92Jun 15, 93[E04B]
5114169 Drop frame truck trailerExpiredJul 16, 91May 19, 92[B62D]
4969659 Extendable container chassisExpiredMay 30, 89Nov 13, 90[B60P]
4943204 Drop frame trailer constructionExpiredNov 30, 88Jul 24, 90[B60P]
4917020 Transition vehicle for use with convertible rail-highway trailersExpiredSep 14, 88Apr 17, 90[B61F]
4793449 Railraod truck braking systemExpiredOct 28, 87Dec 27, 88[B60T]
4387933 Relay-load/ratio valve for use in brake applications on air-spring equipped vehiclesExpiredOct 05, 81Jun 14, 83[B60T]
4381713 Convertible rail-highway semi-trailer air controlled braking and suspension shifting systemExpiredSep 25, 81May 03, 83[B60F, B61H, B62D, B61D]
4372603 Double pivot door for cargo vehiclesExpiredOct 21, 80Feb 08, 83[B60J]
4342264 Convertible rail-highway semi-trailer fluid suspensionExpiredFeb 28, 80Aug 03, 82[B60F, B61F, B62D, B61D]
4316418 Convertible rail highway semi-trailer air controlled suspension shifting systemExpiredMay 01, 80Feb 23, 82[B60F, B61H, B62D, B61D]
4316640 Electro pneumatic brake system for railway carExpiredJun 13, 80Feb 23, 82[B60T]
4311244 Automatic coupler to connect convertible rail-highway vehicles end to endExpiredFeb 28, 80Jan 19, 82[B60F, B61G, B61D]
4302913 Roof structure having meat rail hangersExpiredJul 26, 79Dec 01, 81[G09F, E04B]
4287759 Device for sensing the tension in a load carrying lineExpiredFeb 06, 79Sep 08, 81[G01L]
4276968 Rail car brake systemExpiredApr 10, 78Jul 07, 81[B60T, F16D]
4264003 Foldable unloading machine having full circle swivelling actionExpiredSep 12, 79Apr 28, 81[B65G]

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