Skip over navigation
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

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