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Expired Canadian patentCanada

Bottle cap remover

CA 369159 A · Owner: John Ambrose · Inventors: John Ambrose

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.

Why it's free to use

  • Granted October 5, 1937. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 1954.
  • 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—
GrantedOctober 5, 1937
Term endedOctober 5, 1954
Patent numberCA 369159 A
Classification (IPC)B65D41/32

Timeline

Timeline From CIPO dates

193819401942194419461948195019521954Patent grantedOct 5, 1937Term endedOct 5, 1954

Sources & verification

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