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Expired Canadian patentCanada

Process for insert molding disposable razor

CA 1298048 C · Owner: Conrad, William T. Jr. · Inventors: Conrad, William T. Jr.; Butlin, C. Edward

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

Of The Invention, According to this invention A disposable razor or, razor cartridge is formed by molding as a single unit, a blade covering means and blade support means by supporting the blade by a trident-shaped supporting member butting the blade with the tips of the support member to coincide with an opening formed during molding on either side. of the blade support means and a centrally positioned sleeve having an opening adjacent to the blade.

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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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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 1, 1988
GrantedMarch 31, 1992
Term endedMarch 31, 2009
Patent numberCA 1298048 C
Classification (IPC)B29C45/14 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 1, 1988Patent grantedMarch 31, 1992Term endedMarch 31, 2009

Sources & verification

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