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Expired Canadian patentCanada

Submarine vessel

CA 190644 A · Owner: Von Culin, Clayton · Inventors: Von Culin, Clayton; Beach, George Watson

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 May 27, 1919. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 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.
FiledApril 17, 1916
GrantedMay 27, 1919
Term endedMay 27, 1936
Patent numberCA 190644 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1917191919211923192519271929193119331935Application filedApril 17, 1916Patent grantedMay 27, 1919Term endedMay 27, 1936

Sources & verification

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