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Expired Canadian patentCanada

Pneumatic tire cover

CA 88446 A · Owner: Schultze, Albert · Inventors: Schultze, Albert; Shelton, George Tinniswood

CIPO record

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Drawings and full text

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.

Why it's free to use

  • Granted July 26, 1904. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 1921.
  • 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 25, 1903
GrantedJuly 26, 1904
Term endedJuly 26, 1921
Patent numberCA 88446 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190419061908191019121914191619181920Application filedAug 25, 1903Patent grantedJuly 26, 1904Term endedJuly 26, 1921

Sources & verification

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