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Expired Canadian patentCanada

Tube assembly with a breakaway plug

CA 1307212 C · Owner: Terumo Kabushiki Kaisha · Inventors: Minagawa, Yoshinori

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

An assembly of a tube having a breakaway plug mounted on one opening thereof is provided. The plug includes a hollow cylindrical segment fixedly secured to the tube, a closing segment, and a frangible annular portion located in the hollow segment apart from the secured portion. The plug is formed of material having a Shore A hardness of 68-76 such that the plug can be torn off at the frangible portion by twisting.

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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 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.
FiledJuly 11, 1988
GrantedSeptember 8, 1992
Term endedSeptember 8, 2009
Patent numberCA 1307212 C
Classification (IPC)A61M5/14 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJuly 11, 1988Patent grantedSep 8, 1992Term endedSep 8, 2009

Sources & verification

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