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Expired Canadian patentCanada

Treatment of blood and albuminous matter

CA 60486 A · Owner: Sanford, Percy Gerald · Inventors: Sanford, Percy Gerald

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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.

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Why it's free to use

  • Granted July 4, 1898. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 4, 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.
FiledNovember 19, 1897
GrantedJuly 4, 1898
Term endedJuly 4, 1915
Patent numberCA 60486 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189819001902190419061908191019121914Application filedNov 19, 1897Patent grantedJuly 4, 1898Term endedJuly 4, 1915

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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