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Expired Canadian patentCanada

Cap for a vessel

CA 1313843 C · Owner: Suzuki, Issei · Inventors: Watanabe, Yoshio; Suzuki, Issei; Anzai, Noboru

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 cap of a bottle for a medical fluid having a seal stopper at an opening. The cap has a projection integrally extending from a cap body of a cap member. Around the base portion of the projection there is, formed a thin-plate portion for bending and removing the projection from the cap body with ease and safety. The thin plate comprises a continuously recessed groove.

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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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 11, 1988
GrantedFebruary 23, 1993
Term endedFebruary 23, 2010
Patent numberCA 1313843 C
Classification (IPC)A61J1/00 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedOct 11, 1988Patent grantedFeb 23, 1993Term endedFeb 23, 2010

Sources & verification

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