(under the class definition) Device combined with means to alert a person to a condition or to indicate a position or condition.
SEE OR SEARCH CLASS
116, Signals and Indicators, appropriate subclasses for a signal, alarm or indicator of more general utility. See the search notes in the class definition of Class 116.
340, Communications: Electrical,
541+, for electrical automatic intrusion responsive signal systems; subclasses 686.1+ for electrical automatic position responsive signal systems; and subclass 666 for electrical automatic weight responsive signal systems.
