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Expired Canadian patentCanada

Multiple source high performance stereographic projection system

CA 2567040 C · Owner: O'Dor, Matthew Arnold · Inventors: O'Dor, Matthew Arnold; Read, Steven Charles

CIPO record

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Abstract From the Canadian patent

Multiple source high performance stereographic projection systems are described. One projection system described comprises a first projection channel, a first light source capable of providing light for the first projection channel, and a second light source capable of providing light for the first projection channel, wherein when the projection system is in a first presentation mode the first and second light sources are on and wherein when , the projection system is in a second presentation mode the first light source is on and the second light source is at a reduced power.

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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 5, 2005 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 5, 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.
FiledMay 5, 2005
GrantedAugust 6, 2013
Term endedMay 5, 2025
Patent numberCA 2567040 C
Classification (IPC)G03B21/20

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 5, 2005Patent grantedAug 6, 2013Term endedMay 5, 2025

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