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Expired Canadian patentCanada

Bearing blanket for an extended nip press

CA 1296938 C · Owner: Lange, David V. · Inventors: Lange, David V.; Cronin, Dennis C.

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

B55283193, "A Bearing Blanket for an Extended Nip Press" ABSTRACT OF THE DISCLOSURE, A bearing blanket is disclosed for an extended nip press of a papermaking machine. The blanket (44) includes a base (46) having a first and a second side (48 50). A, first laminate (52) extends along the first side (48) of the base (46), the first laminate (52) having an interface (54) which is disposed contiguous with the first side (48) of the base (46) and a face (56) which cooperates with a hydraulically loaded shoe (22) of the extended nip press (12). A second laminate (58) extends along the second side (50) of the base (46) with the second laminate (58) having a surface (60) which is disposed …

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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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 22, 1986
GrantedMarch 10, 1992
Term endedMarch 10, 2009
Patent numberCA 1296938 C
Classification (IPC)D21F3/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 22, 1986Patent grantedMarch 10, 1992Term endedMarch 10, 2009

Sources & verification

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