US PATENT SUBCLASS 84 / 390
.~.~.~.~ Rotary movement
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} |
| 388 | DF | .~.~.~ Valve type {6} |
| 390 |  | .~.~.~.~ Rotary movement |
DEFINITION
Classification: 84/390
The valves rotate.