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Expired Canadian patentCanada

Backlighting system for a fireplace

CA 2459905 C · Owner: Waddell, Robert Samuel · Inventors: Waddell, Robert Samuel; Berg, Richard; Jeutter, Scott Stephen

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 fireplace including a backlighting system. The backlighting system can be positioned in a back portion of the bottom panel of the fireplace. The backlighting system includes at least one light source to shine light upon the components of the fireplace. For example the light source can be positioned to shine light on a back panel of the fireplace. The light source of the backlighting system can be modulated depending on a state of the fireplace. For example the light source can be turned on or off depending on whether the flame of the fireplace is on or off.

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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 March 5, 2004 and granted May 8, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 5, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 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.
FiledMarch 5, 2004
GrantedMay 8, 2012
Term endedMarch 5, 2024
Patent numberCA 2459905 C
Classification (IPC)F24C15/06 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMarch 5, 2004Patent grantedMay 8, 2012Term endedMarch 5, 2024

Sources & verification

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