US PATENT SUBCLASS 307 / 143
.~.~ Electrical actuator

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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

112  DF  SWITCHING SYSTEMS {5}
139  DF  .~ Switch actuation {5}
143.~.~ Electrical actuator

DEFINITION

Classification: 307/143

(under subclass 139) Subject matter having an electrical actuator for the switch.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

139+, for control circuits for electromagnetic devices.