US PATENT SUBCLASS 84 / 271
.~.~.~.~ Closed back

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
269  DF  .~.~ Banjos {1}
270  DF  .~.~.~ Resonance devices {3}
271.~.~.~.~ Closed back

DEFINITION

Classification: 84/271

Banjos having the back partly or wholly closed.