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Expired Canadian patentCanada

Voltage regenerator for ignition systems of internal combustion engines

CA 1282453 C · Owner: Coil Booster, Inc. · Inventors: Ortiz, Jose M.

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

The voltage lost through the formation of magnetic fields and leakage and stray currents on the cover of a distributor and on the insulation of the high-voltage current conducting cables from a high-voltage coil to a distributor and from a distributor to a plurality of spark plugs of an ignition system of an internal combustion engine is at least partially regenerated by a voltage regenerator comprising inductive current trapping means for recovering the current lost through the insulation of said high-voltage current conducting cables, said current trapping means being coupled to said cables at a short distance from the current receiving ends thereof; encapsulated current collector means …

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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 April 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 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.
FiledApril 22, 1986
GrantedApril 2, 1991
Term endedApril 2, 2008
Patent numberCA 1282453 C
Classification (IPC)F02P15/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedApril 22, 1986Patent grantedApril 2, 1991Term endedApril 2, 2008

Sources & verification

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