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Expired Canadian patentCanada

Apparatus for metering the fuel supplied to prime movers

CA 471663 A · Owner: D. Napier And Son Limited · Inventors: John Skellern; Charles Horace Lionel Wynne; Reginald Henry Douglas Chamberlin

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 February 20, 1951. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1968.
  • 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—
GrantedFebruary 20, 1951
Term endedFebruary 20, 1968
Patent numberCA 471663 A
Classification (IPC)F02C7/22

Timeline

Timeline From CIPO dates

195219541956195819601962196419661968Patent grantedFeb 20, 1951Term endedFeb 20, 1968

Sources & verification

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