US PATENT SUBCLASS 340 / 654
.~.~.~ Circuit energization

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
635  DF  .~.~ Condition of electrical apparatus {15}
654.~.~.~ Circuit energization {2}
655  DF  .~.~.~.~> Heating circuit
656  DF  .~.~.~.~> Electrical socket

DEFINITION

Classification: 340/654

Circuit energization:

(under subclass 635) Subject matter where the condition monitored is the state of power energization of a circuit (e.g., off or on).

(1) Note. Nominal recitation of a pilot light in an art device will not be classified herein.