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Expired Canadian patentCanada

Nut lock

CA 118317 A · Owner: Valenti, Michele · Inventors: Valenti, Michele

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.

Google PatentsCIPO record

Why it's free to use

  • Granted May 11, 1909. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 1926.
  • 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 8, 1909
GrantedMay 11, 1909
Term endedMay 11, 1926
Patent numberCA 118317 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191019121914191619181920192219241926Application filedApril 8, 1909Patent grantedMay 11, 1909Term endedMay 11, 1926

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.