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Expired Canadian patentCanada

Voltage doubler and system therefor

CA 1314962 C · Owner: Allied-Signal, Inc. · Inventors: Verner, Douglas R.

CIPO record

Overview

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

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Abstract From the Canadian patent

26MS1087/1374r 223-B7-0140, A VOLTAGE DOUBLER AND SYSTEM THEREFOR Abstract:, A voltage doubler circuit (100) and system incorporating a plurality of such circuits for energyzing in an alternating sequential manner a greater plurality of fuel injectors (200) arranged in groups corresponding to the number of voltage doubler circuits.

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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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 19, 1988
GrantedMarch 23, 1993
Term endedMarch 23, 2010
Patent numberCA 1314962 C
Classification (IPC)F02D41/20

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedOct 19, 1988Patent grantedMarch 23, 1993Term endedMarch 23, 2010

Sources & verification

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