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Expired Canadian patentCanada

Dual-lumen catheter-connecting system

CA 1325365 C · Owner: Mahurkar, Sakharam D. · Inventors: Mahurkar, Sakharam D.

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 dual-lumen catheter assembly comprising a dual-lumen catheter, a Y connector having one end fastened to the proximal end of the catheter, and a pair of extension tubes each having one end fastened to the opposite end of the connector from the catheter, each of the extension tubes being bent back toward the distal end of the catheter extending, along opposite sides of the connector.

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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 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 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.
FiledMay 12, 1989
GrantedDecember 21, 1993
Term endedDecember 21, 2010
Patent numberCA 1325365 C
Classification (IPC)A61M25/00 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMay 12, 1989Patent grantedDec 21, 1993Term endedDec 21, 2010

Sources & verification

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