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Expired Canadian patentCanada

Method for manufacturing blanks of semi-finished products of fibre-reinforced synthetic resin stock

CA 1287720 C · Owner: Matec Holding Ag · Inventors: Spaay, Albert Jan

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

The invention relates to a method for manufacturing blanks of fibre-reinforced synthetic resin stock for the manufacture of synthetic resin objects by means of a hot compression moulding process. A portion of the fibre-reinforced synthetic resin stock sufficient for the synthetic resin object to be moulded is placed, upon a piece of fibre mat serving as a support and is fed jointly, therewith, into a die of a moulding press.

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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 August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 3, 1986
GrantedAugust 20, 1991
Term endedAugust 20, 2008
Patent numberCA 1287720 C
Classification (IPC)B27N3/04 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMarch 3, 1986Patent grantedAug 20, 1991Term endedAug 20, 2008

Sources & verification

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