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Expired Canadian patentCanada

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CA 60581 A · Owner: Hodges, Edward R. · Inventors: Hodges, Edward R.

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 12, 1898. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 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.
FiledJune 15, 1898
GrantedJuly 12, 1898
Term endedJuly 12, 1915
Patent numberCA 60581 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189919011903190519071909191119131915Application filedJune 15, 1898Patent grantedJuly 12, 1898Term endedJuly 12, 1915

Sources & verification

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