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Expired Canadian patentCanada

Quickly-attachable connectors particularly for use as a hose coupler

CA 1288451 C · Owner: Lemelshtrich, Noam · Inventors: Lemelshtrich, Noam

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

A female connector member for use in a quickly-attachable connector assembly with a male connector member comprises a housing formed with a socket for receiving the male connector member and further formed with a pair of circumferentially-spaced openings through a wall leading into said socket; and a locking member having a flexible arcuate section received on the outer face of the housing and a pair, of locking elements normally projecting through the openings into the socket for locking the male connector member therein. The outer faces of the locking elements are inclined at an acute angle to the longitudinal axis of the socket and converge in the direction of the mouth of the socket, …

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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 September 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 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.
FiledMarch 27, 1987
GrantedSeptember 3, 1991
Term endedSeptember 3, 2008
Patent numberCA 1288451 C
Classification (IPC)F16L37/08 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMarch 27, 1987Patent grantedSep 3, 1991Term endedSep 3, 2008

Sources & verification

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