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Expired Canadian patentCanada

Spring loaded lever to operate control rack of fuel injector

CA 1059394 A · Owner: Allis-Chalmers Corporation · Inventors: Hamilton, Edna L.; Hamilton, William I.

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

A mechanism to operate control racks for a plurality of unit injectors responsive to a governor control shaft and including spring loaded levers for driving the control racks with a positive action to increase the fuel rate and spring loaded fuel shut-off.

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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 31, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 31, 1996.
  • 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 31, 1979
Term endedJuly 31, 1996
Patent numberCA 1059394 A
Classification (IPC)F02D1/04 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 31, 1979Term endedJuly 31, 1996

Sources & verification

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