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Expired Canadian patentCanada

Articulated bridge as a component of a detachable gangway floor plate between two articulated railroad cars

CA 1332539 C · Owner: Braemert, Peter · Inventors: Braemert, Peter; Britzke, Ingo

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An articulated bridge as a component of a detachable gangway floor plate between two articulated interconnected railroad cars the bridge being provided with several elongated bridge elements arranged in succession laterally, and running transverse to the direction of the bridge. The articulated extremities of the bridge are defined by the side walls of a frame approximately following the contours of the bridge. One end section of the bridge is designed for attachment to one of the two interconnected railroad cars and the other end section of the bridge is designed for attachment to the corresponding end section of an articulated bridge of the other of the two interconnected railroad cars …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted October 18, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 18, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 1, 1989
GrantedOctober 18, 1994
Term endedOctober 18, 2011
Patent numberCA 1332539 C
Classification (IPC)B61D17/20

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 1, 1989Patent grantedOct 18, 1994Term endedOct 18, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.