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Expired Canadian patentCanada

Fuel economizer for an internal combustion engine

CA 1085247 A · Owner: Smith, Joseph A. · Inventors: Smith, Joseph A.

CIPO record

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

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Abstract From the Canadian patent

A fuel economizer device adapted to be interposed between the usual carburetor and manifold of an internal combustion engine, or the like, for substantially vaporizing the fuel prior to discharge thereof into the manifold and comprising a plate member having a plurality of spaced apertures for passing the fuel therethrough, said plate being disposed in relation to the manifold for being heated thereby during operation of the engine whereby fuel impinging thereon is substantially vaporized. In addition a plurality of, spaced detents or indentations are provided on the leading face of the plate for an accumulation of liquid fuel therein which has not been vaporized. The fuel trapped in the …

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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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 16, 1978
GrantedSeptember 9, 1980
Term endedSeptember 9, 1997
Patent numberCA 1085247 A
Classification (IPC)F02M31/02

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJan 16, 1978Patent grantedSep 9, 1980Term endedSep 9, 1997

Sources & verification

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