US PATENT SUBCLASS 84 / 479 A
.~.~.~.~.~ On keyboard

Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
470 R  DF  .~ Teaching devices {4}
477 R  DF  .~.~ Indicators {5}
478  DF  .~.~.~ For keyboard {2}
479 R  DF  .~.~.~.~ Single position {3}
479 A.~.~.~.~.~ On keyboard

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 84/479

A card or board bearing indicia to register with the keys of the instrument-keyboard.