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Expired Canadian patentCanada

Collapsible enclosure apparatus

CA 1283940 C · Owner: Martin, John W. · Inventors: Martin, John W.; Martin, Judith Tyler

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 improved apparatus for covering at least a part of the open bed of a land or marine vehicle or the like includes an enclosure structure telescopically collapsible and extendable with an access opening and door assembly rearward longitudinally movable portion thereof. An improved end gate assembly is selectively positionable and releasably securable at a number of longitudinal locations on the open bed corresponding with the, movable rearward section of the enclosure. The apparatus also includes an improved track assembly for the telescopically collapsible and extendable enclosure sections, with apparatus for substantially preventing or minimizing the accumulation of corrosion water or …

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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 May 7, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 7, 1986
GrantedMay 7, 1991
Term endedMay 7, 2008
Patent numberCA 1283940 C
Classification (IPC)B60J7/10 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedApril 7, 1986Patent grantedMay 7, 1991Term endedMay 7, 2008

Sources & verification

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