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Expired Canadian patentCanada

Outer exchange catheter system

CA 1301577 C · Owner: Versaflex Inc. · Inventors: Buchbinder, Maurice; Solar, Ronald J.

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

This invention relates to corporeal catheters. More particularly, this invention relates to an outer exchange catheter system comprising an outer catheter sheath and at least one steerable inner catheter having a control means said outer, catheter sheath extending less than the full length of each said inner catheter and being slidable thereover.

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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.
FiledSeptember 21, 1987
GrantedMay 26, 1992
Term endedMay 26, 2009
Patent numberCA 1301577 C
Classification (IPC)A61M29/02

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedSep 21, 1987Patent grantedMay 26, 1992Term endedMay 26, 2009

Sources & verification

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