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Expired Canadian patentCanada

Shears and pliers

CA 203237 A · Owner: Harry L. Howard · Inventors: Harry L. Howard

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 August 24, 1920. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 24, 1937.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedAugust 24, 1920
Term endedAugust 24, 1937
Patent numberCA 203237 A
Classification (IPC)B25B7/22

Timeline

Timeline From CIPO dates

192119231925192719291931193319351937Patent grantedAug 24, 1920Term endedAug 24, 1937

Sources & verification

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