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Expired Canadian patentCanada

Power control system

CA 2803757 C · Owner: Watlow Electric Manufacturing Company · Inventors: Commare, Donald Leo; Dennis, Craig Richard; Ness, Keith Douglas

CIPO record

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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 power control assembly for use in an integrated power control system has a base with a housing that defines a cavity adapted for receiving a power switch. The control assembly includes a control module configured' for generating control signals for controlling the power switch for selectively providing power to a load. A control housing houses the control module and is adapted to be releasably coupled to the base housing and is configured for electrically coupling to control couplers on the base housing for providing the generated control signals to the power switch within the housing cavity upon coupling the control housing to the base housing.

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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 September 2, 2005 and granted October 20, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 2, 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.
FiledSeptember 2, 2005
GrantedOctober 20, 2015
Term endedSeptember 2, 2025
Patent numberCA 2803757 C
Classification (IPC)H02J13/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 2, 2005Patent grantedOct 20, 2015Term endedSep 2, 2025

Sources & verification

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