US PATENT SUBCLASS 84 / 670
.~.~.~ Constructional details

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
647  DF  .~.~ Digital combinational circuit {7}
670.~.~.~ Constructional details

DEFINITION

Classification: 84/670

Constructional details:

(under subclass 647) Subject matter including mechanical features of the musical instrument.

SEE OR SEARCH THIS CLASS, SUBCLASS:

644, for construction details with digital storage.