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Expired Canadian patentCanada

Method of making a swaged die-formed wire rope and swaged die-formed wire rope produced thereby

CA 1324038 C · Owner: Wire Rope Industries Ltd. · Inventors: Richardson, Archibald S.

CIPO record

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

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Abstract From the Canadian patent

A method of making a wire rope comprises the steps of passing a wire strand through a die so as to die-form the same, closing a full layer of such die-formed strands about a flexible core of greater diameter than the strands to make a wire rope, and swaging the so-formed wire rope.

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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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 14, 1988
GrantedNovember 9, 1993
Term endedNovember 9, 2010
Patent numberCA 1324038 C
Classification (IPC)D07B1/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedApril 14, 1988Patent grantedNov 9, 1993Term endedNov 9, 2010

Sources & verification

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