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Expired Canadian patentCanada

Molded article, the method for manufacturing the same and the dies therefor

CA 1067266 A · Owner: Sanyo Electric Co. · Inventors: Noma, Kouichi; Ogushi, Tsuneo; Umeda, Tsutomu

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Abstract From the Canadian patent

A monolithic ornamental molded contoured article comprising a contoured thin transparent cover layer of thermosetting synthetic resin defining a continuous multiplanar contoured decorative surface of a thickness of about 0.2 to about 0.5 mm, a structural base layer thicker than said, cover layer, and including about 16%-20% of an integrally formed thermosetting synthetic resin, the base layer having a continuous contoured surface generally conforming to and underlying said multiplanar contoured decorative surface cover layer and an intermediate layer disposed between and bonded to said contoured cover layer and said contoured base layer said intermediate, layer comprising a flaccid nonwoven …

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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 December 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 4, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedDecember 4, 1979
Term endedDecember 4, 1996
Patent numberCA 1067266 A
Classification (IPC)B29C43/20 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedDec 4, 1979Term endedDec 4, 1996

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