(under subclass 167) Subject matter having recording devices to be used in connection with cab signal and train-control mechanism for making a record in case an employee disregards the signals.
SEE OR SEARCH THIS CLASS, SUBCLASS:
107, for recording devices in block-signaling systems.
167, and all subclasses mentioned in the search notes appended thereto, for cab and control features.
199, for frangible pipe-closures, the breaking of which indicates a disregard of the signals.
SEE OR SEARCH CLASS 346, Recorders, appropriate subclasses for recording devices and systems for recording motion and position of signals.
