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Expired Canadian patentCanada

Fingerloops and stops for surgical instruments

CA 1048767 A · Owner: Acme United Corporation · Inventors: Cummings, Clinton M.

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

An inexpensive and efficient shear and clamp type surgical instrument which is comfortable to use and eliminates excessive pressure at the jaws of the instrument is produced by incorporating a ratchet lock section on each arm, heel and shoulder stops associated with the ratchet lock sections and open finger gripping loops having a return curve portion between the normal finger gripping position and the pivot axis of the instrument's arms. The return curve portion in the finger gripping loops of the instrument prevents the operator's fingers from sliding into the open portion of the fingerloops thereby eliminating pinching the operator's fingers. The heel and shoulder stops assure that the …

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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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 20, 1979
Term endedFebruary 20, 1996
Patent numberCA 1048767 A
Classification (IPC)A61B17/00

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 20, 1979Term endedFeb 20, 1996

Sources & verification

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