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Expired Canadian patentCanada

Manufacture of electric cables and apparatus therefor

CA 688984 A · Owner: British Insulated Callender'S Cables Limited · Inventors: James A. Mccleery; Gideon Sorsky; Hermann R. Lorch

CIPO record

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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 June 16, 1964. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 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.
Filed—
GrantedJune 16, 1964
Term endedJune 16, 1981
Patent numberCA 688984 A
Classification (IPC)B23P11/00 +1 more

Timeline

Timeline From CIPO dates

196519671969197119731975197719791981Patent grantedJune 16, 1964Term endedJune 16, 1981

Sources & verification

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