US PATENT SUBCLASS 400 / 285.4
.~.~.~ With control of zero or space for decimal point

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

283  DF  CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11}
284  DF  .~ For stopping carriage in tabular position (e.g., column-set positions) {10}
285  DF  .~.~ In denominational positions {6}
285.4.~.~.~ With control of zero or space for decimal point

DEFINITION

Classification: 400/285.4

With control of zero or space for decimal point:

(under subclass 285) Subject matter wherein significance is attributed to the suppression or regulation of the imprinting of a "zero" digit in a sequence of number digits, or wherein significance is attributed to the regulation of the occurrence of a character-space* associated with a "decimal point" in a sequence of number digits or the regulation of the decimal point associated with a sequence of number digits.