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Expired Canadian patentCanada

Shielded cable

CA 698403 A · Owner: Northern Electric Company Limited · Inventors: Lambert, Gordon K.

CIPO record

Overview

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

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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 24, 1964. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 1981.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 31, 1958
GrantedNovember 24, 1964
Term endedNovember 24, 1981
Patent numberCA 698403 A
Classification (IPC)H01B7/18

Timeline

Timeline From CIPO dates

19591962196519681971197419771980Application filedOct 31, 1958Patent grantedNov 24, 1964Term endedNov 24, 1981

Sources & verification

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