US PATENT SUBCLASS 84 / 483.1
.~.~.~ Tune Sheets

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}
483.1.~.~.~ Tune Sheets {1}
483.2  DF  .~.~.~.~> Notation Systems

DEFINITION

Classification: 84/483.1

Tune sheets:

(under subclass 477) Subject matter having sheets bearing the music and located with special reference to the keys or sounders.