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Expired Canadian patentCanada

Tiedown winch

CA 1084342 A · Owner: Maclean-Fogg Company · Inventors: Grube, William L.; Siblik, Allen D.

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

Abstract of the Disclosure A tiedown winch for securing a load such as an automobile to a transporting vehicle such as a railroad car includes a housing slidable in a channel track carried by the transporting vehicle. A chain for securing the load is wound on a drum journalled in top and bottom walls of the housing for rotation around a vertical axis. Both end walls of the housing are provided with openings so that the chain can extend from the housing in either direction and the openings, include contiguous segments in the bottom wall to decrease the height of the housing. The top wall or cover of the housing is hinged for access to the drum and a single, locking mechanism is provided for …

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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 August 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 20, 1978
GrantedAugust 26, 1980
Term endedAugust 26, 1997
Patent numberCA 1084342 A
Classification (IPC)B60P7/08

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJan 20, 1978Patent grantedAug 26, 1980Term endedAug 26, 1997

Sources & verification

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