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Expired Canadian patentCanada

Process for producing a lining member and lining member produced by this process

CA 1305032 C · Owner: Empe-Werke Ernst Pelz Gmbh & Co. Kg · Inventors: Pelz, Peter

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

Process for producing a lining member particularly a covering, member, in which a fibrous material in single or multiple layer form is coated with a binder preferably comprising modified polyester resin or the like, has a foam plate on one side is, covered with a non-woven fabric and is compressed in a moulding press, an ultrafine glass fibre non-woven fabric being used as well as lining member produced by this process.

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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 20, 1987
GrantedJuly 14, 1992
Term endedJuly 14, 2009
Patent numberCA 1305032 C
Classification (IPC)B32B3/30 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedAug 20, 1987Patent grantedJuly 14, 1992Term endedJuly 14, 2009

Sources & verification

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