US PATENT SUBCLASS 84 / 477 R
.~.~ Indicators


Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
470 R  DF  .~ Teaching devices {4}
477 R.~.~ Indicators {5}
478  DF  .~.~.~> For keyboard {2}
483.1  DF  .~.~.~> Tune Sheets {1}
484  DF  .~.~.~> For tempo
485 R  DF  .~.~.~> For fingering {1}
477 B  DF  .~.~.~> Twirling and conducting batons

Unofficial Alpha Subclasses: R B

DEFINITION

Classification: 84/477

Miscellaneous visual devices responding to movements of keys or directing their movement or showing note relationships.