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Expired Canadian patentCanada

Shaft for a sampling pipette

CA 2598337 C · Owner: Roussel, Bernard · Inventors: May, Yves; Roussel, Bernard

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 shaft for a sampling pipette includes a first cylindrical portion a first , annular , shoulder, and a second annular shoulder. A first cross section of the first cylindrical , portion has a first diameter. The first annular shoulder includes a first transition end , adjacent the first cylindrical portion and a second cylindrical portion. A second cross , section of the second cylindrical portion has a second diameter. The second annular , shoulder includes a second transition end adjacent the first annular shoulder and a third , cylindrical portion. A third cross section of the third cylindrical portion has a third , diameter. The third diameter is greater than the second diameter …

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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 February 3, 2006 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 3, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 3, 2006
GrantedAugust 6, 2013
Term endedFebruary 3, 2026
Patent numberCA 2598337 C
Classification (IPC)B01L3/02

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 3, 2006Patent grantedAug 6, 2013Term endedFeb 3, 2026

Sources & verification

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