Tax computation and billing system for cash register use

Claim 1

A TAX COMPUTING AND INDICATING SYSTEM COMPRISING IN COMBINATION WITH A SOURCE OF INDIVIDUAL PULSES QUANTATIVELY REPRESENTING THE TOTAL PRICE BEFORE TAX OF A NUMBER OF ITEMS SOLD ON A SINGLE ORDER, RING COUNTER MEANS CONNECTED TO SAID SOURCE TO RECEIVE AND COUNT PULSES THEREFROM AND TO STORE THE COUNTED PULSES AS INFORMATION REPRESENTING THE TOTAL RUNNING PRIVE OF THE ORDER, A PLURALITY OF MULTI-INPUT GATES SELECTIVELY CONNECTED TO THE OUTPUT OF SAID RING COUNTER MEANS AND EACH REPRESENTING A TAX BREAK IN ACCORDANCE WITH THE TAX LAWS WHICH THE SALE IS SUBJECT TO, CONTROL MEANS CONNECTED TO SAID GATES AND TOGETHER WITH THE OUTPUT OF SAID RING COUNTER MEANS ENABLING EACH OF SAID GATES TO PROVIDE A PULSE OUTPUT THE PULSES OF WHICH QUANTATIVELY REPRESENT THE TAX AT SUCH TAX BREAK WHEN SAID COUNTER MEANS COUNTS THE TOTAL PRICE OF THE SALE EQUAL TO SUCH TAX BREAK, COUNTING MEANS CONNECTED TO THE OUTPUT OF SAID GATES FOR RECEIVING AND COUNTING PULSES THEREFROM AND FOR STORING THE COUNTED PULSES AS INFORMATION REPRESENTING THE TOTAL TAX ON THE ORDER, AND SAID GATES BEING DIVIDED INTO A SET OF NONREPEATING GATES AND AT LEAST TWO SETS OF REPEATING GATES, AND SAID CONTROL MEANS INCLUDES A FIRST FLIP-FLOP MEANS INITIALLY SET SO AS TO APPLY AN ENABLING VOLTAGE ON ALL NONREPEATING