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Expired Canadian patentCanada

Collapsible tailgate ramp

CA 1298445 C · Owner: Beauchemin, Phillippe Jacques · Inventors: Beauchemin, Phillippe Jacques

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

A portable tailgate ramp for attachment to pickup trucks moving vans or the like is disclosed. The device is so constructed that it collapses to a shallow depth for storage on a tailgate and can be extended therefrom to form a ramp for running vehicles into the truck.

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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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 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.
FiledApril 29, 1988
GrantedApril 7, 1992
Term endedApril 7, 2009
Patent numberCA 1298445 C
Classification (IPC)E01D1/00 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedApril 29, 1988Patent grantedApril 7, 1992Term endedApril 7, 2009

Sources & verification

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