Multiplier for binary octal coded numbers

Claim 1

A SYSTEM FOR OBTAINING THE PRODUCT OF BINARY OCTAL CODED MULTIPLICAND AND MULTIPLIER NUMBERS COMPRISING, IN COMBINATION: (A) MEANS FOR SHIFTING THE MULTIPLICAND ONE PLACE TO THE LEFT TO OBTAIN THE 2 MULTIPLE THEREOF, TWO PLACES TO THE LEFT TO OBTAIN THE 4 MULTIPLE THEREOF, AND FOR ADDING THE MULTIPLICAND AND ITS 2 AND 4 MULTIPLES TO OBTAIN THE 7 MULTIPLE OF THE MULTIPLICAND; (B) MEANS FOR SHIFTING THE 7 MULTIPLE OF THE MULTIPLICAND ONE PLACE TO THE LEFT TO OBTAIN THE 168 MULTIPLE OF THE MULTIPLICAND AND FOR ADDING THE 7 AND 168 MULTIPLES TO OBTAIN THE 258 MULTIPLE OF THE MULTIPLICAND; (C) THREE REGISTERS FOR STORING THE 1, 7 AND 258 MULTIPLES OF THE MULTIPLICAND, RESPECTIVELY AND FOR PRODUCING AND STORING THE COMPLEMENTS OF THE 1, 7 AND 258 MULTIPLES OF THE MULTIPLICAND; (D) MEANS RESPONSIVE TO THE TWO LEAST SIGNIFICANT OCTAL CHARACTERS OF THE MULTIPLIER FOR SELECTIVELY ADDING THE STORED MULTIPLES AND THE COMPLEMENTS OF THE STORED MULTIPLES OF THE MULTIPLICAND, AND THE SHIFTED STORED MULTIPLES AND SHIFTED COMPLEMENTS OF THE STORED MULTIPLES OF THE MULTIPLICAND, TO OBTAIN THE PARTIAL PRODUCT OF SAID TWO OCTAL MULTIPLIER CHARACTERS AND THE MULTIPLICAND; (E) MEANS FOR ADDING THE PARTIAL PODUCT OBTAINED BY THE MEANS OF (D) ABOVE WITH ANY PREVIOUSLY OBTAINED PARTIAL PRODUCTS, WHEN THE LATTER ARE PRESENT; (F) MEANS FOR REMOVING THE TWO LEAST SIGNIFICANT OCTAL MULTIPLIER CHARACTERS AND FOR SHIFTING THE NEXT TWO OCTAL MULTIPLIER CHARACTERS TO THE POSITION OF THE TWO LEAST SIGNIFICANT MULTIPLIER CHARACTERS; AND (G) MEANS COUPLED TO THE MEANS (D), (E) AND (F) ABOVE FOR CAUSING THEM TO CONTINUE TO OPERATE UNTIL THE FINAL PRODUCT IS OBTAINED.