Teletypewriter message distributing system

Claim 1

IN A TELEGRAPH SWITCHING SYSTEM, A CENTRAL STATION, A PLURALITY OF TRANSMISSION LINES EXTENDING FROM SAID CENTRAL STATION, EACH OF SAID TRANSMISSION LINES EXTENDING TO AT LEAST ONE OUTLYING STATION, EACH OF SAID OUTLYING STATIONS INCLUDING A TELEGRAPH TRANSMITTER SELECTIVELY STARTED BY THE IMPRESSION OF A TRANSMITTER-START CODE SIGNAL ON SAID LINE, A PLURALITY OF OUTGOING TRUNKS EXTENDING FROM SAID CENTRAL STATION, MEANS FOR GENERATING SAID START CODE SIGNALS, SEQUENTIALLY OPERATING MEANS FOR CODING SAID START SIGNALS OF EACH OF SAID OUTLYING STATIONS ON SAID GENERATING MEANS, ONE AT A TIME AND IN ROTATION, MEANS ASSOCIATED WITH EACH OF SAID TRUNKS AND RESPONSIVE TO SAID SEQUENTIALLY OPERATING MEANS FOR REGISTERING A DESIGNATION OF SAID LINE EXTENDING TO SAID OUTLYING STATION, MEANS RESPONSIVE TO SAID REGISTERING MEANS FOR SELECTIVELY CONNECTING SAID ASSOCIATED TRUNK TO SAID DESIGNATED LINE, MEANS RESPONSIVE TO SAID CONNECTING MEANS FOR IMPRESSING SAID START SIGNALS ON SAID DESIGNATED LINE, MEANS RESPONSIVE TO THE STARTING OF SAID OUTLYING STATION TRANSMITTER ON SAID DESIGNATED LINE FOR MAINTAINING SAID REGISTRATION, MEANS RESPONSIVE TO SAID MAINTAINED REGISTRATION OF SAID ASSOCIATED REGISTERING MEANS FOR DISABLING SAID ASSOCIATED REGISTERING MEANS, FURTHER MEANS RESPONSIVE TO SAID MAINTAINED REGISTRATION OF SAID ASSOCIATED REGISTERING MEANS FOR PRECLUDING THE SUBSEQUENT DESIGNATION OF SAID DESIGNATED LINE BY OTHER ONES OF SAID REGISTERING MEANS, MEANS RESPONSIVE TO MAINTAINED REGISTRATIONS OF ALL OF SAID REGISTERING MEANS FOR DISABLING SAID SEQUENTIALLY OPERATING MEANS, AND MEANS RESPONSIVE TO THE TERMINATION OF THE OPERATION OF SAID OUTLYING STATION TRANSMITTER FOR REMOVING SAID MAINTAINED REGISTRATION OF SAID ASSOCIATED REGISTERING MEANS.