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Expired Canadian patentCanada

Plough

CA 125976 A · Owner: The Hart-Otis Car Company, Limited · Inventors: Meissner, Ottawa William

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 May 31, 1910. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 1927.
  • 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, 1907
GrantedMay 31, 1910
Term endedMay 31, 1927
Patent numberCA 125976 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1908191019121914191619181920192219241926Application filedJuly 25, 1907Patent grantedMay 31, 1910Term endedMay 31, 1927

Sources & verification

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