US PATENT SUBCLASS 84 / 472
.~.~.~ Easel type

Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
470 R  DF  .~ Teaching devices {4}
471 R  DF  .~.~ Charts or boards {5}
472.~.~.~ Easel type

DEFINITION

Classification: 84/472

Devices adapted to stand vertically and others of analogous construction and use.

(1) Note. For devices in which a note, etc., is caused to appear on the staff upon pressing a key see this class, subclass 477.