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Expired Canadian patentCanada

Moulding process

CA 119985 A · Owner: Dupont, Paul · Inventors: Dupont, Paul

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 August 17, 1909. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 17, 1926.
  • 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 22, 1909
GrantedAugust 17, 1909
Term endedAugust 17, 1926
Patent numberCA 119985 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191019121914191619181920192219241926Application filedJune 22, 1909Patent grantedAug 17, 1909Term endedAug 17, 1926

Sources & verification

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