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Expired Canadian patentCanada

Armour for pneumatic tires

CA 57461 A · Owner: Engle, George Seely · Inventors: Engle, George Seely

CIPO record

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

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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.

Google PatentsCIPO record

Why it's free to use

  • Granted September 17, 1897. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 1914.
  • 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 10, 1897
GrantedSeptember 17, 1897
Term endedSeptember 17, 1914
Patent numberCA 57461 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189819001902190419061908191019121914Application filedAug 10, 1897Patent grantedSep 17, 1897Term endedSep 17, 1914

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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