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Expired Canadian patentCanada

Push-pull load handler for forklift truck

CA 1281687 C · Owner: Seaberg, Richard D. · Inventors: Seaberg, Richard 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

A push-pull slipsheet handler for a forklift truck is capable of utilizing the truck's standard forks for load-supporting purposes, while enabling mounting and demounting of the push-pull assembly and forks in unison with respect to the lift truck carriage. The upstanding portions of the standard forks are suspended from a transverse mounting member affixed to the frame of the push-pull assembly at an elevated position. The mounting member has a pair of fork-supporting surfaces positioned in transversely offset relation to vertically pivotable push-pull links, thereby minimizing forward protrusion of the push-pull assembly in its fullyretracted position despite the mounting of the standard …

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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 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.
FiledDecember 1, 1987
GrantedMarch 19, 1991
Term endedMarch 19, 2008
Patent numberCA 1281687 C
Classification (IPC)B66F9/06 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 1, 1987Patent grantedMarch 19, 1991Term endedMarch 19, 2008

Sources & verification

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