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Expired Canadian patentCanada

Locked connector

CA 1296079 C · Owner: Daiichi Denshi Kogyo Kabushiki Kaisha · Inventors: Kuboi, Sadao; Takeda, Mitsuru

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

61-49,355 comb, LOCKED CONNECTOR, Abstract of the Disclosure A locked connector for use in electric connectors, optical fiber connectors and the like includes receptacle means having a receptacle shell coupling means engaging the receptacle means with relative rotations, plug shell means having a plug shell engaging the receptacle shell with relative movements in their axial directions but against relative rotation back-up means permitting the coupling means and the plug shell means to rotatably engage with each other and, detent means for holding said receptacle means and the plug shell means in their fitted position and permitting the receptacle means and the plug shell means to disengage …

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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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 4, 1987
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1296079 C
Classification (IPC)H01R13/62 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 4, 1987Patent grantedFeb 18, 1992Term endedFeb 18, 2009

Sources & verification

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