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Expired Canadian patentCanada

Fuel control device, fuel control system using the device and method of making the device

CA 1291941 C · Owner: Genbauffe, Francis S. · Inventors: Genbauffe, Francis S.

CIPO record

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Abstract From the Canadian patent

TITLE OF THE INVENTION:, FUEL CONTROL DEVICE FUEL CONTROL SYSTEM USING THE, DEVICE AND METHOD OF MAKING THE DEVICE ABSTRACT OF THE DISCLOSURE:, A fuel control device system using the device, and method of making the same are provided. The device comprises a housing having an inlet for being interconnected with a fuel source and an outlet for being interconnected to a main burner the housing having a main valve seat between the inlet and the outlet and a thermostatically operated valve member for opening and closing the main valve seat, the housing having an annular heater pilot valve seat surrounding the main valve seat and being opened and closed by the thermostatically operated valve …

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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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.
FiledFebruary 21, 1989
GrantedNovember 12, 1991
Term endedNovember 12, 2008
Patent numberCA 1291941 C
Classification (IPC)F23Q9/08 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedFeb 21, 1989Patent grantedNov 12, 1991Term endedNov 12, 2008

Sources & verification

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