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Expired Canadian patentCanada

Wrenchable c-clamp

CA 1295346 C · Owner: Suska, Charles R. · Inventors: Suska, Charles R.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Wrenchable C-Clamp, Abstract, A wrenchable C-clamp is formed with a hexagonal portion coaxial with a clamping screw and sized to fit standard open end and box wrenches. A user can apply a wrench to the wrenchable portion to hold the C-clamp in a desired position while a clamping screw is actuated.

Read the whole patent

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 February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 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.
FiledMarch 30, 1988
GrantedFebruary 4, 1992
Term endedFebruary 4, 2009
Patent numberCA 1295346 C
Classification (IPC)B25B5/10 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 30, 1988Patent grantedFeb 4, 1992Term endedFeb 4, 2009

Sources & verification

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