(under subclass 218) Subject matter in which a circuit controller is actuated by the motion of signals, switches, and other movable elements, sometimes known in the art as "switch-boxes".
(1) Note. In some of the multiple-circuit switch-boxes contained in this subclass a predetermined sequence of operation of the switches, signals, and other movable elements thereby controlled is provided for.
SEE OR SEARCH THIS CLASS, SUBCLASS:
107, 124, 131+, 176, and 220, for predetermined sequences of actuation.
246+, and all subclasses mentioned in the search notes appended thereto, for various types of circuit-controllers.
