1. CPC Sections
  2. CPC Section G
  3. CPC Class G10
  4. CPC Subclass G10C
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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G10C
PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS (automatic musical instruments G10F) [2021-01]
NOTE

  • In this subclass, the specific types of musical instruments are covered by group G10C 1/00, while aspects relevant to the details thereof or the accessories therefor are covered by groups G10C 3/00-G10C 9/00.
G10C 1/00
General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards [2019-01]
G10C 1/02
.
of upright pianos [2019-01]
G10C 1/04
.
of grand pianos [2019-01]
G10C 1/06
.
of harpsichords spinets or similar stringed musical instruments [2019-01]
G10C 3/00
Details or accessories [2021-08]
G10C 3/02
.
Cases [2013-01]
G10C 3/04
.
Frames; Bridges; Bars [2013-01]
G10C 3/06
.
Resonating means, e.g. soundboards or resonant strings; Fastenings thereof [2019-01]
G10C 3/07
.
Strings (resonant strings G10C 3/06) [2021-08]
G10C 3/08
. .
Arrangements thereof [2019-01]
G10C 3/10
.
Tuning pins; Tensioning devices [2019-01]
G10C 3/103
. .
the axis of the pins being parallel to the strings [2019-01]
G10C 3/106
. .
the axis of the pins being perpendicular to the strings [2019-01]
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 playing by the feet [2021-08]
G10C 3/16
.
Actions [2013-01]
G10C 3/161
. .
specially adapted for upright pianos [2021-08]
G10C 3/163
. . .
the action being mounted in a plane below the keyboard [2019-01]
G10C 3/165
. .
for plucking the strings [2019-01]
G10C 3/166
. .
for damping the strings (G10C 3/26 takes precedence) [2021-08]
G10C 3/168
. .
with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks [2021-08]
G10C 3/18
. .
Hammers [2013-01]
G10C 3/20
. .
involving the use of hydraulic, pneumatic or electromagnetic means [2021-08]
G10C 3/22
. .
specially adapted for grand pianos [2021-08]
G10C 3/23
. . .
with hammers mounted above the strings, striking downwards [2019-01]
G10C 3/24
. .
Repetition [tremolo] mechanisms [2021-08]
G10C 3/26
.
Pedals or pedal mechanisms (G10C 3/14 takes precedence); Manually operated sound modification means [2021-08]
G10C 3/28
.
Transposing devices [2013-01]
G10C 3/30
.
Couplers, e.g. for playing octaves [2013-01]
G10C 5/00
Combinations with other musical instruments, e.g. with bells or xylophones [2013-01]
G10C 5/10
.
Switching musical instruments to a keyboard, e.g. switching a piano mechanism or an electrophonic instrument to a keyboard; Switching musical instruments to a silent mode [2019-01]
G10C 9/00
Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass [2019-01]