US PATENT SUBCLASS 318 / 588
.~.~ Marine vehicles

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
580  DF  .~ Vehicular guidance systems with single axis control {8}
588.~.~ Marine vehicles {1}
589  DF  .~.~.~> Submarine and torpedo systems

DEFINITION

Classification: 318/588

(under subclass 580) Subject matter in which the steering control is for a marine vehicle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

589, for steering controls for submarines or torpedoes.

SEE OR SEARCH CLASS

114, Ships,

144, for steering mechanisms for ships which may be automatic. 340, Communications: Electrical,

984+, for control of nautical vehicles.