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Expired Canadian patentCanada

Skimmer for ploughs

CA 190824 A · Owner: Morton, Robert Craig · Inventors: Morton, Robert Craig

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 February 1, 1919. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 1, 1936.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 11, 1918
GrantedFebruary 1, 1919
Term endedFebruary 1, 1936
Patent numberCA 190824 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191919211923192519271929193119331935Application filedJune 11, 1918Patent grantedFeb 1, 1919Term endedFeb 1, 1936

Sources & verification

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