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Expired Canadian patentCanada

Tube closure device

CA 1280103 C · Owner: Craig Medical Products Limited · Inventors: Steer, Peter L.

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 tube closure device for closing a flexible tube has a first member having a tube portion for insertion into an end of the flexible tube, and a second member hinged to said first member and having means for securing the flexible tube to the second member. It also has a latch for releasably holding said first and second members in a hinged together "closed" position and a plug for closing the tube portion of the first member when it is in its closed position.

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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 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 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.
FiledDecember 6, 1985
GrantedFebruary 12, 1991
Term endedFebruary 12, 2008
Patent numberCA 1280103 C
Classification (IPC)F16L55/10 +1 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedDec 6, 1985Patent grantedFeb 12, 1991Term endedFeb 12, 2008

Sources & verification

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