US PATENT SUBCLASS 318 / 584
.~.~ Altitude or pitch control
Current as of:
June, 1999
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318 /
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ELECTRICITY: MOTIVE POWER SYSTEMS
560
DF
POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS)
{23}
580
DF
.~ Vehicular guidance systems with single axis control {8}
584
.~.~ Altitude or pitch control
DEFINITION
Classification: 318/584
(under subclass 580) Subject matter in which the steering control is an altitude or pitch control.
SEE OR SEARCH CLASS
244, Aeronautics,
175+, for aircraft guidance.