| 984 / | HD | MUSICAL INSTRUMENTS |
|
| 50 | DD | PIANOS {nonmusical aspects of toy pianos A63H 5/00; Aspects of automatic actuation subclasses 200+; Combinations of microphones, pick-ups or amplifiers with musical instruments subclasses 300+} {G10C} {4} |
| 55 |  | .~ Details of, accesories for, pianos or the like {G10C 3/00} {10} |
| 56 | DD | .~.~> Cases {G10C 3/02} |
| 57 | DD | .~.~> Frames; Bridges; Bars {G10C 3/04} |
| 58 | DD | .~.~> Resonating means, e.g., resonant strings, soundboards, etc.; fastening of the resonating strings {G10C 3/06} |
| 59 | DD | .~.~> Arrangements of strings {G10C 3/08} |
| 60 | DD | .~.~> Tuning pins or straining devices {G10C 3/10} |
| 61 | DD | .~.~> Keyboards; Keys {G10C 3/12} {1} |
| 63 | DD | .~.~> Actions {G10C 3/16} {4} |
| 68 | DD | .~.~> Pedals or pedal mechanisms for half-blow or similar sound modifying {G10C 3/26} |
| 69 | DD | .~.~> Transposing devices {G10C 3/28} |
| 70 | DD | .~.~> Couplers, e.g., for playing octaves, etc. {G10C 3/30} |