WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

G10B　ORGANS; HARMONIUMS OR LIKE WIND-ACTUATED MUSICAL INSTRUMENTS (mouth organs G10D 7/12; accordions G10D 11/00; aspects of automatic actuation G10F 1/12; combinations of microphones, pick-ups or amplifiers with musical instruments G10H; electronic organs G10H 7/00)

G10B 1/00 General design

G10B 1/02 ・of organs

G10B 1/04 ・・electrically operated

G10B 1/06 ・・fluid operated

G10B 1/08 ・of harmoniums

G10B 3/00 Details or accessories

G10B 3/02 ・Blowers (compressors, blowers, per se F04)

G10B 3/04 ・Reservoirs

G10B 3/06 ・Valves; Sleeves

G10B 3/08 ・Pipes, e.g. open pipe, reed pipe

G10B 3/10 ・Actions, e.g. coupler

G10B 3/12 ・Keys or keyboards; Manuals (keyboards for musical instruments in general G10C 3/12)

G10B 3/14 ・Pedals or pedal boards

G10B 3/16 ・Swell chambers; Accentuating means

G10B 3/18 ・Tremolo-producing devices

G10B 3/20 ・Transposing devices

G10B 3/22 ・Details peculiar to electrically-operated organs, e.g. contacts therein