US PATENT SUBCLASS 984 / 146
.~.~.~.~ With continuous change of tonal pitch {G10D 9/04B2}


Current as of: June, 1999
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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}
139  DD  .~ Details of, or accessories for, wind-actuated musical instruments {G10D 9/00} {4}
144  DD  .~.~ Valves; Valve controls {G10D 9/04} {1}
145  DD  .~.~.~ For woodwind instruments {G10D 9/04B} {1}
146.~.~.~.~ With continuous change of tonal pitch {G10D 9/04B2}