US PATENT SUBCLASS 318 / 552
.~ Power-actuated controllers


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

543  DF  THREE-OR-MORE-POSITIONS MOTOR CONTROLLER SYSTEMS {6}
552.~ Power-actuated controllers {2}
553  DF  .~.~> Separately actuated controller contacts {1}
555  DF  .~.~> Electromagnetic actuated {2}


DEFINITION

Classification: 318/552

(under subclass 543) Subject matter in which motive power means are provided for operating the three-or-more-position motor controller through all or part of its path of travel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

550, for this subject matter where the power operated controller is provided with means for returning or necessitating that the controller be returned to its "off", "starting", or "neutral" position.

SEE OR SEARCH CLASS

60, Power Plants, and 185, Motors: Spring, Weight, or Animal Powered, and the classes and subclasses specified in the notes to these classes, for the structure of the power actuating means, per se.

185, Motors: Spring, Weight, or Animal Powered, see the reference to class 60, above.