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CA 80098 A · Owner: Vaughn, James M. · Inventors: Vaughn, James M.

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 April 7, 1903. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 1920.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 16, 1903
GrantedApril 7, 1903
Term endedApril 7, 1920
Patent numberCA 80098 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190419061908191019121914191619181920Application filedMarch 16, 1903Patent grantedApril 7, 1903Term endedApril 7, 1920

Sources & verification

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