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Expired Canadian patentCanada

Bias ply snow tire compatible with radial ply tires

CA 1088854 A · Owner: The Goodyear Tire & Rubber Company · Inventors: Lynch, John E.; Curtiss, Walter W. Jr.

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

Abstract of the Disclosure, A bias ply snow tire for use on the rear wheels of a passenger car having radial ply tires on the front wheels. The bias ply tire has a low aspect ratio narrow, tread with a shallow nonskid pattern narrow flange spacing, and high ply turn-ups. The point of maximum section width of the inflated bias ply tire is located in the radially inner one-half of the cross section of the tire.

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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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
  • 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 25, 1978
GrantedNovember 4, 1980
Term endedNovember 4, 1997
Patent numberCA 1088854 A
Classification (IPC)B60C9/06

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJan 25, 1978Patent grantedNov 4, 1980Term endedNov 4, 1997

Sources & verification

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