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Expired Canadian patentCanada

Process for electrostatic direct transfer printing of designs on fabrics

CA 1184706 A · Owner: Xerox Corporation · Inventors: Myers, Mark B.; Hartmann, George C.

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 process for electrostatic printing of fabrics wherein a latent electrostatic image is created by a computer driven stylus marking pen on an electrically insulating substrate which image is developed with dye particles dispersed in a carrier liquid. The dye particles are then brought into contact with the fabrics, such as by image transfer followed by fixing of the dye to the fabric.

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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 April 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2002.
  • 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 12, 1981
GrantedApril 2, 1985
Term endedApril 2, 2002
Patent numberCA 1184706 A
Classification (IPC)D06P5/20

Timeline

Timeline From CIPO dates

1982198519881991199419972000Application filedMay 12, 1981Patent grantedApril 2, 1985Term endedApril 2, 2002

Sources & verification

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