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Expired Canadian patentCanada

Carbureter

CA 112023 A · Owner: Cornish, Harry B. · Inventors: Cornish, Harry B.

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 May 19, 1908. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 1925.
  • 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 31, 1903
GrantedMay 19, 1908
Term endedMay 19, 1925
Patent numberCA 112023 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

19041907191019131916191919221925Application filedMarch 31, 1903Patent grantedMay 19, 1908Term endedMay 19, 1925

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.