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Expired Canadian patentCanada

Engine ignition system with an insulated and extendable extender

CA 1266084 C · Owner: Gillette, Rodney J. · Inventors: Bohl, Phillip B.; Gillette, Rodney J.; Smith, James C.

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Abstract From the Canadian patent

Engine Ignition System With An Insulated and Extendable Extender, An ignition system of an engine has a coil which is spaced away from an igniter to protect the coil from heat of a combustion chamber and combustion gas leakage. The electrical connections between the coil and igniter of current design practice have not performed satisfactorily due to loosening of connections, absorbtion of energy within the connectors and the escape of electrical energy. The present ignition extender overcomes these shortcomings by resiliently biasing a first electrical conducting core into contact with a source of high energy and a second electrical conducting core into contact with an iqniter and …

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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, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 2007.
  • 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 20, 1986
GrantedFebruary 20, 1990
Term endedFebruary 20, 2007
Patent numberCA 1266084 C
Classification (IPC)H01T13/04 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedJan 20, 1986Patent grantedFeb 20, 1990Term endedFeb 20, 2007

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