US PATENT SUBCLASS 84 / 218
.~.~.~.~ Dampers held

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
174  DF  .~.~ Pianos {19}
216  DF  .~.~.~ Expression devices {5}
218.~.~.~.~ Dampers held

DEFINITION

Classification: 84/218

The sustaining or third pedal device to retain only those dampers which are raised by the keys at the time the damper is applied.