US PATENT SUBCLASS 123 / 406.55
.~.~ Temperature responsive (e.g., ambient, engine, etc.)

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

406.11  DF  SPARK IGNITION TIMING CONTROL {5}
406.12  DF  .~ Electronic control {10}
406.55.~.~ Temperature responsive (e.g., ambient, engine, etc.)

DEFINITION

Classification: 123/406.55

Temperature responsive (e.g., ambient, engine, etc.):

(under subclass 406.12) Subject matter wherein the regulating means for varying spark ignition timing is responsive to the temperature of either (a) an engine component, (b) engine

fluid, or (c) the ambient environment.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing,

100+, for temperature measuring devices, per se.