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Expired Canadian patentCanada

Means of separating stone from clay

CA 100240 A · Owner: Sabroe, Axel · Inventors: Sabroe, Axel

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 31, 1906. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 31, 1923.
  • 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 11, 1906
GrantedJuly 31, 1906
Term endedJuly 31, 1923
Patent numberCA 100240 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190719091911191319151917191919211923Application filedJuly 11, 1906Patent grantedJuly 31, 1906Term endedJuly 31, 1923

Sources & verification

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