US PATENT SUBCLASS 318 / 520
.~.~ Electromagnetically actuated

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

494  DF  ARMATURE (OR PRIMARY) CIRCUIT CONTROL {9}
519  DF  .~ By armature or primary circuit-making and/or breaking {1}
520.~.~ Electromagnetically actuated

DEFINITION

Classification: 318/520

(under subclass 519) Subject matter in which the circuit making and/or breaking means are provided with electromagnetically operating means for operating the circuit making and/or breaking means.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

2, for the structure of electromagnetic switches.