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Expired Canadian patentCanada

A security feature for security documents

CA 2580277 C · Owner: Emerich, Markus · Inventors: Loos, Franz; Emerich, Markus

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

The invention relates to a security feature (8) for security documents (9) in , particular bank notes. A first body colour (51) is applied in a first region (1) and a printing ink (53), in particular a day luminescent dye is applied , in an illuminating region (3). The printing ink (53) is applied outside the copy dye range of the four colour prints according to the Europe-scale or DINscale. According to the invention, a first mixed colour (54) of the first body colour (51) and the printing ink (53) is applied in a first overlapping region (13), and the first mixed colour (54) is arranged outside the copy dye range or in the edge region of the copy dye range in order to increase …

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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 13, 2005 and granted November 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 13, 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 13, 2005
GrantedNovember 26, 2013
Term endedSeptember 13, 2025
Patent numberCA 2580277 C
Classification (IPC)G03G21/04 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 13, 2005Patent grantedNov 26, 2013Term endedSep 13, 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.