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Expired Canadian patentCanada

Process of extracting fat from wool

CA 56261 A · Owner: Cairns Mcilhiney, Parker · Inventors: Cairns Mcilhiney, Parker

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 June 14, 1897. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 1914.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 9, 1896
GrantedJune 14, 1897
Term endedJune 14, 1914
Patent numberCA 56261 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189718991901190319051907190919111913Application filedDec 9, 1896Patent grantedJune 14, 1897Term endedJune 14, 1914

Sources & verification

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