US PATENT SUBCLASS 84 / 718
.~.~.~ 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}
671  DF  .~.~ Electric analog oscillators {9}
718.~.~.~ Constructional details {3}
719  DF  .~.~.~.~> Keyboard
720  DF  .~.~.~.~> Keyswitch structure
721  DF  .~.~.~.~> Foot control

DEFINITION

Classification: 84/718

Constructional details:

(under subclass 671) Subject matter including mechanical features of the musical instrument.

SEE OR SEARCH THIS CLASS, SUBCLASS:

2+, for dealing with specifics of musical instrument construction.

644, for construction details with digital storage.

670, for construction details with digital combinational

circuit.