US PATENT SUBCLASS 400 / 298
.~.~ Tab-stop or tab-rack structure, per se

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}
298.~.~ Tab-stop or tab-rack structure, per se

DEFINITION

Classification: 400/298

Tab-stop or tab-rack structure, per se:

(under subclass 284) Subject matter wherein significance is attributed to the conformation or other characteristics of the tab-stop element, per se, or the tab-rack* component, per se.