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Expired Canadian patentCanada

High output oil cooled floating piston

CA 963752 A · Owner: General Motors Corporation · Inventors: Kotlin, James J.; Petersen, Victor

CIPO record

Overview

Drawings and full text

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 March 4, 1975. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 1992.
  • 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—
GrantedMarch 4, 1975
Term endedMarch 4, 1992
Patent numberCA 963752 A
Classification (IPC)F02B75/02

Timeline

Timeline From CIPO dates

197619781980198219841986198819901992Patent grantedMarch 4, 1975Term endedMarch 4, 1992

Sources & verification

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