US PATENT SUBCLASS 84 / 395
.~.~.~ Trombones
Current as of: June, 1999
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| 84 / | HD | MUSIC |
|
| 1 | DF | INSTRUMENTS {9} |
| 330 | DF | .~ Wind {5} |
| 387 R | DF | .~.~ Brasses {7} |
| 395 |  | .~.~.~ Trombones {1} |
| 396 | DF | .~.~.~.~> Tuning devices |
DEFINITION
Classification: 84/395
Instruments in which the changes in length of the vibrating air column depend on a slide.