(under subclass 193) Subject matter having circuit-controlling devices upon the train for opening or closing train-circuits are actuated by track devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
167, and all subclasses referred to in the search notes appended thereto, for cab and control features.
246, and all subclasses mentioned in the search notes appended thereto, for various types of circuit closers.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
463+, for circuit-controllers on cars actuated by track devices. 104, Railways,
117.1, and 295+, for circuit controllers on trains actuated by trips or other devices on or adjacent the track or guideway when claimed in combination with a peculiar type of track or guideway (e.g., cable, model, overhead, etc.).