G10C1/00	7	General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards	G10C1/00	G10C1/00		438
G10C1/02	8	of upright pianos	G10C1/02	G10C1/02		246
G10C1/04	8	of grand pianos	G10C1/04	G10C1/04		194
G10C1/06	8	of harpsichords spinets or similar stringed musical instruments	G10C1/06	G10C1/06		144
G10C3/00	7	Details or accessories	G10C3/00	G10C3/00		324
G10C3/02	8	Cases	G10C3/02	G10C3/02		878
G10C3/04	8	Frames; Bridges; Bars	G10C3/04	G10C3/04		566
G10C3/06	8	Resonating means, e.g. soundboards or resonant strings; Fastenings thereof	G10C3/06	G10C3/06		754
G10C3/07	8	Strings (resonant strings G10C3/06)	G10C3/07	G10C3/07		42
G10C3/08	9	Arrangements thereof	G10C3/08	G10C3/08		237
G10C3/10	8	Tuning pins; Tensioning devices	G10C3/10	G10C3/10		237
G10C3/103	9	the axis of the pins being parallel to the strings	G10C3/103	G10C3/103		14
G10C3/106	9	the axis of the pins being perpendicular to the strings	G10C3/106	G10C3/106		117
G10C3/12	8	Keyboards; Keys	G10C3/12	G10C3/12		1618
G10C3/125	9	{Materials or treatment of materials for the manufacturing of keys}	G10C3/12	G10C3/12		113
G10C3/14	9	for playing by the feet	G10C3/14	G10C3/14		74
G10C3/16	8	Actions	G10C3/16	G10C3/16		545
G10C3/161	9	specially adapted for upright pianos	G10C3/161	G10C3/161		516
G10C3/163	10	the action being mounted in a plane below the keyboard	G10C3/163	G10C3/163		266
G10C3/165	9	for plucking the strings	G10C3/165	G10C3/165		42
G10C3/166	9	for damping the strings (G10C3/26 takes precedence)	G10C3/166	G10C3/166		212
G10C3/168	9	with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks	G10C3/168	G10C3/168		76
G10C3/18	9	Hammers	G10C3/18	G10C3/18		659
G10C3/20	9	involving the use of hydraulic, pneumatic or electromagnetic means	G10C3/20	G10C3/20		159
G10C3/22	9	specially adapted for grand pianos	G10C3/22	G10C3/22		460
G10C3/23	10	with hammers mounted above the strings, striking downwards	G10C3/23	G10C3/23		29
G10C3/24	9	Repetition [tremolo] mechanisms	G10C3/24	G10C3/24		373
G10C3/26	8	Pedals or pedal mechanisms (G10C3/14 takes precedence); Manually operated sound modification means	G10C3/26	G10C3/26		857
G10C3/28	8	Transposing devices	G10C3/28	G10C3/28		152
G10C3/30	8	Couplers, e.g. for playing octaves	G10C3/30	G10C3/30		121
G10C5/00	7	Combinations with other musical instruments, e.g. with bells or xylophones	G10C5/00	G10C5/00		120
G10C5/10	8	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	G10C5/10	G10C5/10		89
G10C9/00	7	Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass	G10C9/00	G10C9/00		691
