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Expired Canadian patentCanada

Threshing machine

CA 134530 A · Owner: Graham, Philip S. · Inventors: Graham, Philip S.; Mcreynolds, Everett

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.

Why it's free to use

  • Granted July 25, 1911. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 25, 1928.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 12, 1910
GrantedJuly 25, 1911
Term endedJuly 25, 1928
Patent numberCA 134530 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191119131915191719191921192319251927Application filedSep 12, 1910Patent grantedJuly 25, 1911Term endedJuly 25, 1928

Sources & verification

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