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Expired Canadian patentCanada

Soft molding method

CA 1325322 C · Owner: Kia, Hamid G. · Inventors: Kia, Hamid G.

CIPO record

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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 of producing glass fiber mat, reinforced plastic panels having at least one smooth appearance surface in a set of two matched mold members having interior mold surfaces defining a mold cavity contained therein of which at least one said interior surface being the mirror image of the appearance surface of said panel, said method comprising the steps of placing at least one lager of glass fiber mat in said mold cavity, pouring a polymeric material into said cavity saturating said glass fiber mat closing, said two mold members together with at least one layer of a flexible sheeting material disposed over and adjacent to the interior mold surface opposing …

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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 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 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.
FiledMay 24, 1989
GrantedDecember 21, 1993
Term endedDecember 21, 2010
Patent numberCA 1325322 C
Classification (IPC)B29C33/56 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMay 24, 1989Patent grantedDec 21, 1993Term endedDec 21, 2010

Sources & verification

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