US PATENT SUBCLASS 377 / 49
.~ Counter includes circuit for performing an arithmetic function

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377 /   HD   ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS

27  DF  SYSTEMS {21}
49.~ Counter includes circuit for performing an arithmetic function

DEFINITION

Classification: 377/49

Counter includes circuit for performing an arithmetic function:

(under subclass 27) Subject matter where a counter includes a circuit for performing an arithmetic function.

SEE OR SEARCH THIS CLASS, SUBCLASS:

47+, for pulse multiplication or division means.

SEE OR SEARCH CLASS

708, Electrical Computers: Arithmetic Processing and Calculating,

490+, for digital calculators which perform arithmetic operations.