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Expired Canadian patentCanada

Papermakers' fabric

CA 1184054 A · Owner: Huyck Corporation · Inventors: Thompson, Charles E.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A papermakers' fabric, having a repeating pattern of floats on its paper support surface is provided with surface floater yarns interspaced between adjacent yarns to improve sheet support characteristics of the fabric. The floater yarns are characterized by lack of interlacing with yarns transverse thereto. The floater yarns are "trapped" beneath the surface floats and are of a diameter generally less than the diameter of the adjacent yarns. -1-

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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 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 21, 1983
GrantedMarch 19, 1985
Term endedMarch 19, 2002
Patent numberCA 1184054 A
Classification (IPC)D03D15/40 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJan 21, 1983Patent grantedMarch 19, 1985Term endedMarch 19, 2002

Sources & verification

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