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Expired Canadian patentCanada

Brake

CA 190036 A · Owner: Turner, Walter V. · Inventors: Turner, Walter V.

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.

Why it's free to use

  • Granted April 29, 1919. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 1936.
  • 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 8, 1918
GrantedApril 29, 1919
Term endedApril 29, 1936
Patent numberCA 190036 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191919211923192519271929193119331935Application filedJune 8, 1918Patent grantedApril 29, 1919Term endedApril 29, 1936

Sources & verification

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