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Expired Canadian patentCanada

A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation

CA 2609111 C · Owner: Essex, Tim · Inventors: Chetham, Scott; Essex, Tim; Ward, Leigh Cordwin

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Abstract From the Canadian patent

A method of performing impedance measurements on a subject. The method includes using a processing system to determine at least one impedance measurement to be performed, and at one electrode arrangement associated with the determined measurement. A representation of the arrangement is displayed so the impedance measurement can be performed once the electrodes have been arranged in accordance with the displayed representation.

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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 June 30, 2006 and granted October 18, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 30, 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.
FiledJune 30, 2006
GrantedOctober 18, 2016
Term endedJune 30, 2026
Patent numberCA 2609111 C
Classification (IPC)A61B5/05

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 30, 2006Patent grantedOct 18, 2016Term endedJune 30, 2026

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