US PATENT SUBCLASS 73 / 35.08
.~.~ Ionization

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

35.01  DF  ENGINE DETONATION (E.G., KNOCK) {4}
35.07  DF  .~ Specific type of detonation sensor {3}
35.08.~.~ Ionization

DEFINITION

Classification: 73/35.08

Ionization:

(under subclass 35.07) Subject matter wherein the sensing means comprises spaced electrodes between which electrical current passes in proportion to ionization of combustion gases in the engine.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

459+, for an ionization detector, per se.