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Expired Canadian patentCanada

Mowing machine

CA 113121 A · Owner: Robinson, Charles Walrath · Inventors: Robinson, Charles Walrath

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 21, 1908. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 1925.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 19, 1908
GrantedJuly 21, 1908
Term endedJuly 21, 1925
Patent numberCA 113121 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190919111913191519171919192119231925Application filedMarch 19, 1908Patent grantedJuly 21, 1908Term endedJuly 21, 1925

Sources & verification

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