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Expired Canadian patentCanada

Method for producing a molded article having colored features

CA 1316660 C · Owner: Brault, Alfred F. · Inventors: Gray, John D.; Brault, Alfred F.

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

Abstract of the Disclosure, A method for manufacturing decorative features in situ in a base layer cast plastic material includes the steps of providing a mold tool having a surface thereon which is recessed in the form of a desired decorative feature and includes a sharp break line between the recess and the surrounding mold surface; depositing a covering of thermoplastic material in the recess surface and heating the tool to melt the thermoplastic material on the recess surface to form segments of plastic corresponding to the desired decorative feature; thereafter cooling the covering and stripping it from the mold by separating it at sharp break line interface between the deposited …

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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 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 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.
FiledJuly 15, 1988
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1316660 C
Classification (IPC)B29C41/08 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 15, 1988Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

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