US PATENT SUBCLASS 315 / 131
.~.~ Selective indication of the load device

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

129  DF  WITH SIGNAL, INDICATOR, OR ALARM {5}
130  DF  .~ Plural load device systems {1}
131.~.~ Selective indication of the load device {1}
132  DF  .~.~.~> Plural signals, indicators, or alarms

DEFINITION

Classification: 315/131

(under subclass 130) Systems having the signal, indicator, or alarm means so arranged that the condition of any one of two or more of the load devices or of their supply circuits will be indicated by the signal, indicator or alarm means.