PIANOS (non-musical aspects of toy pianos
A 63 H 5/00; aspects of automatic actuation G 10 F; combinations of microphones, pick-ups or amplifiers with musical instruments G 10 H)
1
/
00
General design of pianos or like stringed musical instruments with keyboard
1
/
02
•
of upright pianofortes
1
/
04
•
of grand pianofortes
1
/
06
•
of cembaloes, spinets, or similar stringed instruments
3
/
00
Details of, or accessories for, pianos or the like
3
/
02
•
Cases
3
/
04
•
Frames; Bridges; Bars
3
/
06
•
Resonating means, e.g. resonant strings, soundboards; Fastenings of the resonating means
3
/
08
•
Arrangements of strings
3
/
10
•
Tuning pins or straining devices
3
/
12
•
Keyboards; Keys
3
/
14
•
•
for actuation by the feet
3
/
16
•
Actions
3
/
18
•
•
Hammers
3
/
20
•
•
involving the use of hydraulic, pneumatic, or electromagnetic means
3
/
22
•
•
for grand pianofortes
3
/
24
•
•
for reciprocating of tremolo
3
/
26
•
Pedals or pedal mechanisms for half-blow or similar sound-modifying
3
/
28
•
Transposing devices
3
/
30
•
Couplers, e.g. for playing octaves
5
/
00
Combinations of pianos with other musical instruments, e.g. with bells, with xylophone
9
/
00
Special tools or methods for the manufacture or maintenance of pianos
