US PATENT SUBCLASS 984 / 127
.~.~ Of the type wherein an air current is directed against a ramp edge, e.g., flute, recorder, etc. {G10D 7/02}


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984 /   HD   MUSICAL INSTRUMENTS

100  DD  MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR {aspects of automatic actuation subclasses 200+; Combinations of microphones, pick-ups or amplifiers with musical instruments subclasses 300+; Sound-producing devices not regarded as musical instruments or parts thereof G10K} {G10D} {8}
125  DD  .~ General design of wind-actuated musical instruments {accordions subclass 148; Organs, harmoniums subclasses 1+; Whistles G10K} {G10D 7/00} {5}
127.~.~ Of the type wherein an air current is directed against a ramp edge, e.g., flute, recorder, etc. {G10D 7/02} {3}
128  DD  .~.~.~> Recorders {G10D 7/02B}
129  DD  .~.~.~> Flutes, piccolos, fifes {G10D 7/02C}
130  DD  .~.~.~> Ocarinas {G10D 7/04}