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Expired Canadian patentCanada

Stabilizer

CA 177322 A · Owner: Macy, Alfred John · Inventors: Macy, Alfred John

CIPO record

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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 29, 1917. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 1934.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 16, 1913
GrantedMay 29, 1917
Term endedMay 29, 1934
Patent numberCA 177322 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1914191719201923192619291932Application filedOct 16, 1913Patent grantedMay 29, 1917Term endedMay 29, 1934

Sources & verification

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