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Expired Canadian patentCanada

Safety razor

CA 1295472 C · Owner: Oglesby, Oliver David · Inventors: Welsh, Norman Clifford; Oglesby, Oliver David

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 safety razor has a multi-edged blade mounted in a holder of resilient readily deformable material which presents a skin engaging surface surrounding the blade. Different edges of the blade are displaceable, relative to each other to follow local deformation of the skin engaging surface. The blade may comprise one or more apertured flexible foils or individual blade strips providing a plurality of rectilinear edges. Preferably the holder is a shaped block of plastics foam.

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 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 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.
FiledJanuary 11, 1988
GrantedFebruary 11, 1992
Term endedFebruary 11, 2009
Patent numberCA 1295472 C
Classification (IPC)B26B21/00 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJan 11, 1988Patent grantedFeb 11, 1992Term endedFeb 11, 2009

Sources & verification

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