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Expired Canadian patentCanada

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CA 119896 A · Owner: Grawford, Abner Wallace · Inventors: Grawford, Abner Wallace

CIPO record

Overview

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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.

Google PatentsCIPO record

Why it's free to use

  • Granted August 10, 1909. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 10, 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.
FiledApril 22, 1909
GrantedAugust 10, 1909
Term endedAugust 10, 1926
Patent numberCA 119896 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191019121914191619181920192219241926Application filedApril 22, 1909Patent grantedAug 10, 1909Term endedAug 10, 1926

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.com

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