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Expired Canadian patentCanada

Electric radiator

CA 458159 A · Owner: Horace Capra · Inventors: Horace Capra

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.

Why it's free to use

  • Granted July 19, 1949. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 19, 1966.
  • 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—
GrantedJuly 19, 1949
Term endedJuly 19, 1966
Patent numberCA 458159 A
Classification (IPC)F24C15/22

Timeline

Timeline From CIPO dates

195019521954195619581960196219641966Patent grantedJuly 19, 1949Term endedJuly 19, 1966

Sources & verification

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