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Expired Canadian patentCanada

Car bolster

CA 75655 A · Owner: Westlake, Charles T. · Inventors: Westlake, Charles T.

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, 1902. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 1919.
  • 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, 1902
GrantedApril 29, 1902
Term endedApril 29, 1919
Patent numberCA 75655 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190319051907190919111913191519171919Application filedMarch 24, 1902Patent grantedApril 29, 1902Term endedApril 29, 1919

Sources & verification

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