(under subclass 7) Emergency stations without operators, located along the permanent way between regular stations, at which trains may stop or be stopped for communication by telegraph or telephone with the dispatcher or other trains or stations or from which in an emergency signals may be controlled.
SEE OR SEARCH CLASS
340, Communications: Electrical,
287+, for signal-box signaling systems.
379, Telephonic Communications,
56+, for portable telephone systems.
439, Electrical Connectors, for an electrical connector, per se, see especially 477+, for an electrical connector of the overhead line type having a handle, tool or manipulating means.
