US PATENT SUBCLASS 345 / 353
.~.~.~ Sub-menu structure

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

326  DF  OPERATOR INTERFACE {6}
339  DF  .~ On-screen workspace or object {6}
352  DF  .~.~ Menu {2}
353.~.~.~ Sub-menu structure

DEFINITION

Classification: 345/353

Sub-menu structure:

Subject matter under 352 wherein the user may traverse a number of related and linked menu lists, based upon successive choices.