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Expired Canadian patentCanada

Quick disconnect device

CA 1279342 C · Owner: General Motors Corporation · Inventors: Mccurdy, Frederick A.; Douglas, Barry D.

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

Abstract of the Disclosure A coupling device for connecting a work tool to a support that provides a quick disconnect for electrical and fluid connections and is characterized by the use of two separable members which can be locked together through a ball cage and lock ring arrangement.

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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 16, 1986
GrantedJanuary 22, 1991
Term endedJanuary 22, 2008
Patent numberCA 1279342 C
Classification (IPC)F16L37/22 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedSep 16, 1986Patent grantedJan 22, 1991Term endedJan 22, 2008

Sources & verification

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