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Expired Canadian patentCanada

Printing process for use in fashioning ceramics by electrodeposition

CA 1309967 C · Owner: Warneton Industries S.A. · Inventors: Vander Poorten, Henri

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The process provides a way to simultaneously electroform a ceramic and print a technical or decorative motif on such ceramic product. For this purpose, electroforming is performed via a membrane fixed on the anode and comprising perforations or imprints obtained for example by offset silk-screen techniques, development of electrostatic images with mineral inks or powders which are permeable to the ions emitted by the electroforming anodes. A single firing will provide a decorative or technical ceramic product.

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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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 17, 1986
GrantedNovember 10, 1992
Term endedNovember 10, 2009
Patent numberCA 1309967 C
Classification (IPC)C04B41/81 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 17, 1986Patent grantedNov 10, 1992Term endedNov 10, 2009

Sources & verification

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