US PATENT SUBCLASS 701 / 101
.~.~ Internal-combustion engine

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
99  DF  .~ With indicator or control of power plant (e.g., performance) {2}
101.~.~ Internal-combustion engine {1}
102  DF  .~.~.~> Digital or programmed data processor {7}

DEFINITION

Classification: 701/101

Internal-combustion engine:

(under subclass 99) Indication or control of power plant wherein the power plant is an internal-combustion engine.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines, wherein significant structure of an internal-combustion engine is claimed, in particular,

406.12+, for electronic timing control; and subclasses 438+ for a charge forming device which includes an electronic control system.