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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
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CPC
COOPERATIVE PATENT CLASSIFICATION
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PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARD (non-musical aspects of toy pianos A63H 5/00; aspects of automatic actuation G10F; combinations of microphones, pick-ups or amplifiers with musical instruments G10H) [2013‑01]
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G10C 1/00
General design [2013‑01]
G10C 1/02
.
of upright pianofortes [2013‑01]
G10C 1/04
.
of grand pianofortes [2013‑01]
G10C 1/06
.
of cembaloes, spinets, or similar stringed instruments
{
(keyboard-operated zithers G10D 3/085)
}
[2013‑01]
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G10C 3/00
Details or accessories [2013‑01]
.
Cases [2013‑01]
G10C 3/04
.
Frames; Bridges; Bars [2013‑01]
G10C 3/06
.
Resonating means, e.g. resonant strings, soundboards; Fastenings of the resonating means [2013‑01]
G10C 3/08
.
Arrangements of strings [2013‑01]
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.
Tuning pins or straining devices [2013‑01]
G10C 3/103
. .
{
the axis of the pins being parallel to the string
}
[2013‑01]
G10C 3/106
. .
{
the axis of the pins being perpendicular to the string
}
[2013‑01]
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G10C 3/12
.
Keyboards; Keys [2013‑01]
G10C 3/125
. .
{
Materials or treatment of materials for the manufacturing of keys
}
[2013‑01]
G10C 3/14
. .
for actuation by the feet [2013‑01]
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G10C 3/16
.
Actions [2013‑01]
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G10C 3/161
. .
{
specially adapted for upright pianos
}
[2013‑01]
G10C 3/163
. . .
{
the actions being mounted in a plane below the keyboard
}
[2013‑01]
G10C 3/165
. .
{
for plucking the strings, i.e. for instruments covered by group G10C 1/06 (plucking mechanisms for keyboard-operated zithers G10D 3/085)
}
[2013‑01]
G10C 3/166
. .
{
for damping a string (G10C 3/161, G10C 3/168, G10C 3/20, G10C 3/22, G10C 3/26 take precedence)
}
[2013‑01]
G10C 3/168
. .
{
with a hanging jack, i.e. jack connected to hammer-butt or hammer-shank
}
[2013‑01]
G10C 3/18
. .
Hammers [2013‑01]
G10C 3/20
. .
involving the use of hydraulic, pneumatic, or electromagnetic means [2013‑01]
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G10C 3/22
. .
{
specially adapted
}
for grand pianofortes [2013‑01]
G10C 3/225
. . .
{
the actions, in particular the hammers, being mounted above the strings, i.e. hammers hitting downwards
}
[2013‑01]
G10C 3/24
. .
for reciprocating of tremolo
{
(G10C 3/161, G10C 3/168, G10C 3/20, G10C 3/22 take precedence)
}
[2013‑01]
.
Pedals or pedal mechanisms for half-blow or similar sound modifying [2013‑01]
G10C 3/28
.
Transposing devices [2013‑01]
G10C 3/30
.
Couplers, e.g. for playing octaves [2013‑01]
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Combinations with other musical instruments, e.g. with bells or xylophones [2013‑01]
.
{
Switching the keyboard from piano playing to playing another instrument
}
[2013‑01]
Methods or tools specially adapted for the manufacture or maintenance of musical instruments covered by this subclass [2013‑01]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013