US PATENT SUBCLASS 84 / 485 R
.~.~.~ For fingering
Current as of: June, 1999
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| 84 / | HD | MUSIC |
|
| 453 | DF | ACCESSORIES {6} |
| 470 R | DF | .~ Teaching devices {4} |
| 477 R | DF | .~.~ Indicators {5} |
| 485 R |  | .~.~.~ For fingering {1} |
| 485 SR | DF | .~.~.~.~> Slide rules |
Unofficial Alpha Subclasses: R SR
DEFINITION
Classification: 84/485
The music-sheet has marks showing what finger is to be used in producing a note.