NYLOAD
								ELECTRICAL LOADING LEVEL CONTROLS FOR CONTROLLING THE LOADING OF ESCALATORS, ELEVATORS, AND HORIZONTAL CONVEYANCES, COMPRISING ELECTRONIC LOAD SENSORS AND CONTROL BOXES FOR CONVERTING DEFLECTION SIGNALS INTO AN ELECTRICAL OUTPUT THAT CONTROLS SAID ESCALATORS, ELEVATORS, AND HORIZONTAL CONVEYANCES AND/OR OPERATES INDICATORS, RELAYS, AND ALARMS
                                Expired  ·  September 24, 1973  ·  73001895  ·