(under subclass 333) Subject matter including significant details of signal, alarm or other indicating means whereby the operative condition of the switch, or some abnormal condition within the switch structure, may be ascertained either visually, or audibly or by a combination of both.
(1) Note. For other signal or indicator means used in devices of this class, see Search This Class, Subclass below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
79, for electrothermally actuated switches utilizing bimetallic elements combined with mechanical contact actuating means, and having signal or indicating means. For other signal or indicator means used in devices of this class, see the subclasses listed under Search This Class, Subclass in subclass 79.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
308+, for indicator details of mechanical switches. 219, Electric Heating,
506, for automatic regulating and control means for electric heaters with signal and indicating means.
236, Automatic Temperature and Humidity Regulation,
94, for thermostatically operated automatic temperature regulator means with indicator or alarm means.
