(under subclass 52) Subject matter in which the switch is of the rectilinearly movable or reciprocating contact type.
SEE OR SEARCH THIS CLASS, SUBCLASS:
54, for tuners which are varied by switching various elements into or out of the tune circuit where the switch is rectilinearly operated.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
16, for reciprocating type switches used to control multiple circuits; subclasses 449+ for reciprocating switches having a snap action, and subclasses 554+ for mechanically operated switches having a knife blade or plug which moves in a reciprocating manner.