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Expired Canadian patentCanada

Apparatus and process for transferring xerographic images

CA 1203833 A · Owner: Agfa-Gevaert Naamloze Vennootschap · Inventors: Vackier, Leo N.; Alaerts, Leo B.; Mampaey, Jozef L.

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Abstract From the Canadian patent

Apparatus and process for transferring xerographic images For producing a transfer image on an image-receiving sheet held on the peripheral surface of a rotating drum a photoconductor sheet bearing on its bottom surface an electrostatic charge image developed by a liquid toner is suspended by its margins from a conveying means. The conveying means is guided past the drum at a level such that the unattached central part of the photoconductor sheet which, is free to sag relative to its margins becomes supported at the, image transfer zone out of contact with the image-receiving sheet by the liquid toner.

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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 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 2003.
  • 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 25, 1983
GrantedApril 29, 1986
Term endedApril 29, 2003
Patent numberCA 1203833 A
Classification (IPC)G03G15/16 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 25, 1983Patent grantedApril 29, 1986Term endedApril 29, 2003

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