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Expired Canadian patentCanada

Method and apparatus for controlling diffusion and color of a light beam

CA 2610337 C · Owner: Omnicolor, L.P. · Inventors: Calmes, Jack

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 light fixture (100) including a flexible diffusion material (310) coupled to a scrolling mechanism (110) capable of positioning a selected portion of the diffusion material in a light beam (112) from a light source (102). Different portions (O-T) of the diffusion material (310) provide differing amounts of diffusion. The scrolling mechanism (110) may be remotely operated to produce a desired amount of diffusion in the light beam. The light fixture (100) may also include one or more additional scrolling mechanisms (106 108) coupled to , flexible color filter material (306 308), such that the light beam (112) may be filtered to a desired color. The additional scrolling mechanisms …

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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 May 24, 2006 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 24, 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.
FiledMay 24, 2006
GrantedSeptember 24, 2013
Term endedMay 24, 2026
Patent numberCA 2610337 C
Classification (IPC)F21V14/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMay 24, 2006Patent grantedSep 24, 2013Term endedMay 24, 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.