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Expired Canadian patentCanada

Locking pliers with axial clamping action

CA 2125309 C · Owner: Dahl, Raymond · Inventors: Fuller, Anthony B.; Barnes, Francis; Dahl, Raymond

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 pair of locking pliers includes a body having a fixed jaw that supports a fixed extension. A movable jaw is pivotably mounted to the body by a hinge pin, and the movable jaw includes a movable extension. An operating lever is pivotably mounted to the movable jaw to close the movable jaw, and the movable jaw is shaped such that the movable extension slides along the fixed extension as the movable jaw is pivoted closed with the operating lever in order to provide an axial clamping action.

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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

  • Filed June 7, 1994 and granted December 22, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 7, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 7, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 7, 1994
GrantedDecember 22, 1998
Term endedJune 7, 2014
Patent numberCA 2125309 C
Classification (IPC)B25B5/04 +2 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedJune 7, 1994Patent grantedDec 22, 1998Term endedJune 7, 2014

Sources & verification

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