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Expired Canadian patentCanada

Truck cover having an improved telescopic arm assembly

CA 1301812 C · Owner: Pioneer Consolidated Corp. · Inventors: Goldstein, Harvey R.; Haddad, Edward N. Jr.

CIPO record

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

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Abstract From the Canadian patent

A truck cover having an improved telescopic arm assembly for drawing a cover across an open topped truck body or other vessel or container. The assembly comprises a pair of telescopic arms and motive means powered by a pneumatic hydraulic or other power source. The motive means cause the telescopic arms to move pivotally from one end of the container to the opposite end and during the pivotal movement to cause the telescopic arms to retract as they move to a vertical position and to extend as they move from the vertical position to the opposite end of the container. The extension and retraction of the telescopic arms during pivotal movement from one end of the container to the opposite end …

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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 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 3, 1987
GrantedMay 26, 1992
Term endedMay 26, 2009
Patent numberCA 1301812 C
Classification (IPC)B60P7/04 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 3, 1987Patent grantedMay 26, 1992Term endedMay 26, 2009

Sources & verification

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