ECORAIL INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5199359 Steerable rail-bogieExpiredMay 20, 92Apr 06, 93[B61F]
5107772 Rail bogie for transporting semi-trailers with vertically movable king pin assemblies on common frameExpiredJun 22, 90Apr 28, 92[B61F]
5009169 Twin axle rail bogie for convertible rail-highway vehiclesExpiredApr 20, 90Apr 23, 91[B61F]
4938151 Twin axle rail bogie for convertible rail-highway vehiclesExpiredApr 04, 89Jul 03, 90[B62D, B61D]

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