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Expired Canadian patentCanada

Heating device

CA 1279254 C · Owner: Bayard, Bo · Inventors: Bayard, Bo

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Heating device comprising a combustion engine a fan and, an oil burner with oil pump. The combustion engine and the oil burner receive ignition pulses from two transistorized ignition coils, both induced by a permanent magnet on and rotatable with the engine flywheel.

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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 2, 1987
GrantedJanuary 22, 1991
Term endedJanuary 22, 2008
Patent numberCA 1279254 C
Classification (IPC)F02B65/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedMarch 2, 1987Patent grantedJan 22, 1991Term endedJan 22, 2008

Sources & verification

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