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Expired Canadian patentCanada

Parenteral drug storage device with closure piercing coupling member

CA 1091526 A · Owner: Sherwood Medical Industries Inc. · Inventors: Koenig, Elmer A.

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 syringe or other container which may be prefilled with a parenteral drug has an end closed by a pierceable seal that is engaged between the end of the syringe barrel and a plastic sealing cap. A coupling member is disposed for sliding movement on the cap. The coupling member has a pointed end for piercing the seal, and a luer coupling portion at the opposite end for connection with a coupling element associated with another device, such as a catheter or needle cannula.

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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 December 16, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 24, 1977
GrantedDecember 16, 1980
Term endedDecember 16, 1997
Patent numberCA 1091526 A
Classification (IPC)A61M1/00 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedFeb 24, 1977Patent grantedDec 16, 1980Term endedDec 16, 1997

Sources & verification

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