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Expired Canadian patentCanada

Appliance for use in gold mining and washing

CA 61375 A · Owner: Wilcox, Robert · Inventors: Wilcox, Robert

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 October 12, 1898. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 1915.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 1898
GrantedOctober 12, 1898
Term endedOctober 12, 1915
Patent numberCA 61375 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189919011903190519071909191119131915Application filedMay 27, 1898Patent grantedOct 12, 1898Term endedOct 12, 1915

Sources & verification

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