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Expired Canadian patentCanada

Annealing oven

CA 99655 A · Owner: Bergman, August · Inventors: Casaday, William Lewis; Bergman, August

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 19, 1906. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1923.
  • 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 24, 1906
GrantedJune 19, 1906
Term endedJune 19, 1923
Patent numberCA 99655 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190719091911191319151917191919211923Application filedMarch 24, 1906Patent grantedJune 19, 1906Term endedJune 19, 1923

Sources & verification

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