US PATENT SUBCLASS 84 / 470 P
.~.~ Phonograph recorders

Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
470 R  DF  .~ Teaching devices {4}
470 P.~.~ 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.