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Expired Canadian patentCanada

Method and apparatus for physiological testing

CA 2534366 C · Owner: Creswick, Richard · Inventors: Creswick, Richard

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A device and method to test the sincerity of physical effort of an individual. The device has a moveable member (20), a sensor (14) for measuring force applied to the shaft; and a resistance means (32) to vary the resistance to movement of the moveable member. The relationship between the varied resistive force applied to the moveable member and the measured force may be determined to establish the sincerity of effort of the user.

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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 5, 2004 and granted October 9, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 5, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2026.
  • 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 5, 2004
GrantedOctober 9, 2012
Term endedAugust 5, 2024
Patent numberCA 2534366 C
Classification (IPC)A61B5/10 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedAug 5, 2004Patent grantedOct 9, 2012Term endedAug 5, 2024

Sources & verification

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