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Expired Canadian patentCanada

Cord fastener

CA 65809 A · Owner: Bartlett, Adolphus C. · Inventors: Bartlett, Adolphus C.; Devore, Levi M.; Conover, Charles H.

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.

Google PatentsCIPO record

Why it's free to use

  • Granted January 15, 1900. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1917.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 21, 1899
GrantedJanuary 15, 1900
Term endedJanuary 15, 1917
Patent numberCA 65809 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190019021904190619081910191219141916Application filedDec 21, 1899Patent grantedJan 15, 1900Term endedJan 15, 1917

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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