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Expired Canadian patentCanada

Vehicle spring

CA 63071 A · Owner: Kennedy, Colin Robert · Inventors: Kennedy, Colin Robert

CIPO record

Overview

Drawings and full text

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 17, 1899. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 1916.
  • 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 11, 1898
GrantedMay 17, 1899
Term endedMay 17, 1916
Patent numberCA 63071 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189919011903190519071909191119131915Application filedOct 11, 1898Patent grantedMay 17, 1899Term endedMay 17, 1916

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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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.