US PATENT SUBCLASS 984 / 50
PIANOS {nonmusical aspects of toy pianos A63H 5/00; Aspects of automatic actuation subclasses 200+; Combinations of microphones, pick-ups or amplifiers with musical instruments subclasses 300+} {G10C}

Current as of: June, 1999
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984 /   HD   MUSICAL INSTRUMENTS

50PIANOS {nonmusical aspects of toy pianos A63H 5/00; Aspects of automatic actuation subclasses 200+; Combinations of microphones, pick-ups or amplifiers with musical instruments subclasses 300+} {G10C} {4}
51  DD  .~> General design of pianos or like stringed musical instruments with keyboards {G10C 1/00} {3}
55  DD  .~> Details of, accesories for, pianos or the like {G10C 3/00} {10}
71  DD  .~> Combinations of pianos with other musical instruments, e.g., with bells, with xylophone, etc. {G10C 5/00}
72  DD  .~> Special tools or methods for the manufacture and maintenance of pianos {G10C 9/00}