US PATENT SUBCLASS 84 / 425
.~.~.~ Auxiliary
Current as of: June, 1999
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| 84 / | HD | MUSIC |
|
| 1 | DF | INSTRUMENTS {9} |
| * | DD | .~ General features {7} |
| 423 R | DF | .~.~ Keyboards {12} |
| 425 |  | .~.~.~ Auxiliary {1} |
| 426 | DF | .~.~.~.~> Pedal |
DEFINITION
Classification: 84/425
Keys of one set operate, respectively, keys of another set.