US PATENT SUBCLASS 84 / 470 R
.~ Teaching devices

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.