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Expired Canadian patentCanada

Stubble burner

CA 66237 A · Owner: Holmes, Morris Sanford · Inventors: Holmes, Morris Sanford; Ashdown, Arthur Locke; Ireland, Robert

CIPO record

Overview

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 February 15, 1900. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 15, 1917.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 1, 1900
GrantedFebruary 15, 1900
Term endedFebruary 15, 1917
Patent numberCA 66237 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190119031905190719091911191319151917Application filedFeb 1, 1900Patent grantedFeb 15, 1900Term endedFeb 15, 1917

Sources & verification

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