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Expired Canadian patentCanada

Apparatus for lifting an end of a hitch

CA 1269117 C · Owner: Erickson, Norton J. · Inventors: Erickson, Norton J.

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

The present invention is directed to an apparatus for engaging and lifting the end of a hitch resting on the ground. The apparatus is particularly useful when attached to a yard tractor used for moving trailers or trailer dollys about a parking yard. The apparatus includes a rigid member pivotally attached to a frame attached to the yard tractor. The free end of the rigid member has a plate for scooping under the end of the hitch. A hydraulic actuator remotely rotates a pin into engagement with the end of the hitch. Another actuator pivots the rigid member upwardly to lift the end of the hitch for subsequent movement of the trailer or dolly.

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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 15, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 6, 1986
GrantedMay 15, 1990
Term endedMay 15, 2007
Patent numberCA 1269117 C
Classification (IPC)B60D1/58 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedAug 6, 1986Patent grantedMay 15, 1990Term endedMay 15, 2007

Sources & verification

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