US PATENT SUBCLASS 318 / 514
.~.~ Resistor-controlled

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

494  DF  ARMATURE (OR PRIMARY) CIRCUIT CONTROL {9}
508  DF  .~ Impedance-controlled {4}
514.~.~ Resistor-controlled {1}
515  DF  .~.~.~> Having short-circuiting means {1}

DEFINITION

Classification: 318/514

(under subclass 508) Subject matter in which the impedance device comprises a resistor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

509, and the subclasses specified in the notes thereto, for this subject matter where the impedances comprise a plurality of resistors.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

295, 298 for control systems in general which include resistors as the controlling element.

338, Electrical Resistors, appropriate subclasses, for electrical resistors, per se.