US PATENT SUBCLASS 235 / 419
RECORD CONTROLLED CALCULATORS


Current as of: June, 1999
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419RECORD CONTROLLED CALCULATORS {14}
420  DF  .~> Machine control
421  DF  .~> Multiplying
422  DF  .~> Dividing
423  DF  .~> Subtraction
424  DF  .~> Item distribution
425  DF  .~> Sorting and accounting
426  DF  .~> Relay- or contact-type storing or accumulating
427  DF  .~> Differential mechanism, synchronous
428  DF  .~> Differential mechanism, stop set
429  DF  .~> Translators
430  DF  .~> Key operators
431  DF  .~> With data comparing
432  DF  .~> With printing {1}
434  DF  .~> With punching


DEFINITION

Classification: 235/419

RECORD CONTROLLED CALCULATORS:

(under the class definition) Subject matter wherein the calculating machines performing the mathematical operations are combined with and/or controlled by means to sense or analyze data from a record.

(1) Note. In this subclass, the calculating machines perform the various operations either mechanically or electromechanically.

(2) Note. Calculating devices wherein the calculations are performed by only electrical means are classified in Class 364.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200+, for fluidic calculators.

SEE OR SEARCH CLASS

364, Electrical Computers and Data Processing Systems, appropriate subclasses for means to electrically perform

particular calculations and particular structure of such means.