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Expired Canadian patentCanada

Pneumatic tyre for single-track vehicle

CA 1083469 A · Owner: Continental Gummi-Werke Aktiengesellschaft · Inventors: Geldmacher, Achim; Kunz, Manfred; Heuer, Herbert

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

There is provided a pneumatic vehicle tyre for singletrack vehicles having a carcase comprised of two or more rubberised cord fabric plies, which plies are anchored by being looped around the bead cores in the tyre bead regions the lateral externally, folded over edges of said plies being stepped. According to the invention, the folded over edge of the ply which extends widest in the direction of the tread surface terminates in, the region of the adjacent tread surface edge.

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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 August 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 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.
FiledJuly 24, 1978
GrantedAugust 12, 1980
Term endedAugust 12, 1997
Patent numberCA 1083469 A
Classification (IPC)B60C9/02 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJuly 24, 1978Patent grantedAug 12, 1980Term endedAug 12, 1997

Sources & verification

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