US PATENT SUBCLASS 84 / 63
.~.~.~.~.~.~.~.~ Adjustable

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
7  DF  .~.~ Stringed {4}
13  DF  .~.~.~ Pianos {5}
24  DF  .~.~.~.~ Pneumatic type {10}
50  DF  .~.~.~.~.~ Pneumatic construction {8}
60  DF  .~.~.~.~.~.~ Valves and seats {2}
62  DF  .~.~.~.~.~.~.~ Outside {1}
63.~.~.~.~.~.~.~.~ Adjustable

DEFINITION

Classification: 84/63

Similar to the preceding except that the distance between the surfaces is adjustable.