US PATENT SUBCLASS 84 / 396
.~.~.~.~ Tuning devices
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
| 84 / | HD | MUSIC |
|
| 1 | DF | INSTRUMENTS {9} |
| 330 | DF | .~ Wind {5} |
| 387 R | DF | .~.~ Brasses {7} |
| 395 | DF | .~.~.~ Trombones {1} |
| 396 |  | .~.~.~.~ Tuning devices |
DEFINITION
Classification: 84/396
Means to change the key or pitch specially adapted to a trombone.