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Expired Canadian patentCanada

Guidewire with probe

CA 2017901 C · Owner: Meier, Bernhard · Inventors: Meier, Bernhard; Niederhauser, Werner; Bannwart, Urs

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

The probe is provided at its distal end with an oliveshaped tip which is solidly joined to a shaft. The shaft is provided with a wire made of stainless steel as well as a spring. The maximum diameter of the tip is preferably approx. 1 mm. The guide catheter is suitable especially for recanalization of coronary and completely obstructed occlusions. The probe is preferably applied together with a balloon catheter itself known.

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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

  • Filed May 30, 1990 and granted August 20, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 30, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2012.
  • 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 30, 1990
GrantedAugust 20, 1996
Term endedMay 30, 2010
Patent numberCA 2017901 C
Classification (IPC)A61M25/00 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedMay 30, 1990Patent grantedAug 20, 1996Term endedMay 30, 2010

Sources & verification

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