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Expired Canadian patentCanada

Gel electrophoresis sample applicator/retriever

CA 2124345 C · Owner: Dwight, Mark · Inventors: Rammler, David H.; Dwight, Mark; Gombocz, Erich

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 gel electrophoresis sample applicator/retriever device comprising: a holder (5) comprising a linear array of wells (8) said wells forming a nozzle (6) at a bottom end having a front face (33) and a rear face (25), said front and rear face being angled to form an edge (39) transverse to the gel surface in the direction of component migration in said gel, and said form.

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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 August 26, 1993 and granted December 16, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 26, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 26, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 26, 1993
GrantedDecember 16, 2003
Term endedAugust 26, 2013
Patent numberCA 2124345 C
Classification (IPC)G01N27/26 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedAug 26, 1993Patent grantedDec 16, 2003Term endedAug 26, 2013

Sources & verification

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