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Expired Canadian patentCanada

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CA 124641 A · Owner: Stacey, Frederick Harold · Inventors: Stacey, Frederick Harold

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 March 22, 1910. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 1927.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 19, 1910
GrantedMarch 22, 1910
Term endedMarch 22, 1927
Patent numberCA 124641 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191119131915191719191921192319251927Application filedFeb 19, 1910Patent grantedMarch 22, 1910Term endedMarch 22, 1927

Sources & verification

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