Patent Yard Sign in
Expired Canadian patentCanada

Cast cutter

CA 1265407 C · Owner: Cromie, Mark V. · Inventors: Eady, Edsell M.; Cromie, Mark V.; Hudnutt, H. Dean

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

A cast cutter having a pair of juxtaposed saw-, edged blades which oscillate relative to each other on a common pivot point to provide a scissorslike cutting action resulting in a relatively wide kerf in the cast being cut. A patient protective blade guard slidable, between the underside of the cast and the patient's skin includes an aperture into which portions of the blades partially extend wherein a nip area is provided at an interface location of the blades and the guard to facilitate cutting of an inner woven cloth lining of the cast to the scissor teeth. The oscillatory motion of the blades relative to each other minimizes clogging thereof by dust particles generated during a cutting …

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 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 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.
FiledJuly 2, 1985
GrantedFebruary 6, 1990
Term endedFebruary 6, 2007
Patent numberCA 1265407 C
Classification (IPC)B23D47/02 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJuly 2, 1985Patent grantedFeb 6, 1990Term endedFeb 6, 2007

Sources & verification

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