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Expired Canadian patentCanada

Forming ceramic tiles by electrodeposition on anodized support

CA 1259946 A · Owner: Andromaque S.A. · Inventors: Vander Poorten, Henri

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

In a method of making ceramic tiles metallic plates, profiled or engraved, optionally covered by ion-exchange of semipermeable membranes, and forming the anode of an electrolytic bath, are employed for the electrodeposition thereon of raw materials. The anode may be conditioned in such a way as to modify the thickening speed at any point of the surface.

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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 13, 1984
GrantedSeptember 26, 1989
Term endedSeptember 26, 2006
Patent numberCA 1259946 A
Classification (IPC)C25D1/14 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedJan 13, 1984Patent grantedSep 26, 1989Term endedSep 26, 2006

Sources & verification

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