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Expired Canadian patentCanada

Abrasion resistant braided steel

CA 1284043 C · Owner: Quell, Ronald L. · Inventors: Tresslar, Marie C.; Kite, Joseph Sellers; Quell, Ronald L.

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

This invention provides a braided tubular sleeve having increased abrasion resistance. The braided tubular sleeve according to this invention have a resilient self-conforming "springback" property which enables the sleeve to conform in close contact with the surface of substrates, such as wire or cable bundles. The increased abrasion resistance is provided by braiding in with the resilient plastic yarns about one to about twenty ends of a resilient monofilament yarn such as nylon for every two ends of a resilient engineering plastic monofilament yarn such as polyester.

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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 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.
FiledMay 11, 1987
GrantedMay 14, 1991
Term endedMay 14, 2008
Patent numberCA 1284043 C
Classification (IPC)F16L57/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMay 11, 1987Patent grantedMay 14, 1991Term endedMay 14, 2008

Sources & verification

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