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Expired Canadian patentCanada

Universal foot switch contact port

CA 2523334 C · Owner: Plaven Thomas · Inventors: Lohe, Robert; Plaven Thomas

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 universal contact port for use in an electrosurgical generator is provided and includes a ring gear having a circular rim formed therein and defines a central rotational axis. The rim includes a series of teeth formed therearound. A plurality of spur gears are operatively engaged with the rim of the ring gear each spur gear defining a longitudinal axis which is at least substantially parallel with the central rotational axis; and a plurality of rollers operatively associated with a respective spur gear each roller defining a corporal axis. The corporal axis of each roller is parallel to and spaced from the longitudinal axis of the respective spur gear. The rollers define an opening …

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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 October 12, 2005 and granted April 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 12, 2025.
  • 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.
FiledOctober 12, 2005
GrantedApril 10, 2012
Term endedOctober 12, 2025
Patent numberCA 2523334 C
Classification (IPC)H01R39/28 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 12, 2005Patent grantedApril 10, 2012Term endedOct 12, 2025

Sources & verification

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