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Expired Canadian patentCanada

Tire cord fabric suitable for reinforcement of rubber articles

CA 1096273 A · Owner: Bridgestone Tire Company Limited · Inventors: Saito, Shigeru; Inoue, Hiroshi

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 tire cord fabric suitable for reinforcement of rubber articles is disclosed. The tire cord fabric is manufactured by lengthwisely arranging a great number of cords as warp cords over a given width and then relatively coarsely interlacing them with weft yarns. In each selvage portion of the fabric is formed a joint part consisting of a special cord arrangement.

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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 February 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 1998.
  • 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 28, 1978
GrantedFebruary 24, 1981
Term endedFebruary 24, 1998
Patent numberCA 1096273 A
Classification (IPC)B60C9/00 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedAug 28, 1978Patent grantedFeb 24, 1981Term endedFeb 24, 1998

Sources & verification

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