US PATENT SUBCLASS 84 / 470 R
.~ Teaching devices


Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
470 R.~ Teaching devices {4}
471 R  DF  .~.~> Charts or boards {5}
476  DF  .~.~> Blocks
477 R  DF  .~.~> Indicators {5}
470 P  DF  .~.~> Phonograph recorders

Unofficial Alpha Subclasses: R P

DEFINITION

Classification: 84/470

Devices for use in teaching music, some with sounders; charts; indicators.

SEE OR SEARCH CLASS

434, Education and Demonstration, for other teaching devices.