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Expired Canadian patentCanada

Heat transfer film

CA 1312465 C · Owner: Yamauchi, Mineo · Inventors: Yamauchi, Mineo

CIPO record

Overview

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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 heat transfer film comprising a base film and a heat transfer layer formed on one surface of said base film, said heat transfer layer having at least one detection mark for allowing a printer to detect the film information such as the position and hue of the heat transfer layer, and either said detection mark or the vicinity thereof selectively reflecting detection light projected on the portion having said detection mark.

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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

  • Granted January 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 2010.
  • 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 19, 1988
GrantedJanuary 12, 1993
Term endedJanuary 12, 2010
Patent numberCA 1312465 C
Classification (IPC)B41M5/26

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedSep 19, 1988Patent grantedJan 12, 1993Term endedJan 12, 2010

Sources & verification

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