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Expired Canadian patentCanada

Cleaner for harvesters

CA 118286 A · Owner: Amundson, Carl · Inventors: Amundson, Carl

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 May 11, 1909. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 1926.
  • 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 25, 1908
GrantedMay 11, 1909
Term endedMay 11, 1926
Patent numberCA 118286 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190919111913191519171919192119231925Application filedJuly 25, 1908Patent grantedMay 11, 1909Term endedMay 11, 1926

Sources & verification

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