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Expired Canadian patentCanada

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CA 63153 A · Owner: Crisp Sanderson, Thomas · Inventors: Crisp Sanderson, Thomas

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 27, 1899. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 1916.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 10, 1897
GrantedMay 27, 1899
Term endedMay 27, 1916
Patent numberCA 63153 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1898190019021904190619081910191219141916Application filedSep 10, 1897Patent grantedMay 27, 1899Term endedMay 27, 1916

Sources & verification

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