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Expired Canadian patentCanada

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CA 201014 A · Owner: Theodore T. Snow · Inventors: Theodore T. Snow

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 June 15, 1920. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 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—
GrantedJune 15, 1920
Term endedJune 15, 1937
Patent numberCA 201014 A
Classification (IPC)E02D27/42 +1 more

Timeline

Timeline From CIPO dates

192119231925192719291931193319351937Patent grantedJune 15, 1920Term endedJune 15, 1937

Sources & verification

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