US PATENT SUBCLASS 84 / 245
.~.~.~.~.~.~ Sostenuto

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
174  DF  .~.~ Pianos {19}
236  DF  .~.~.~ Hammers actions {3}
243  DF  .~.~.~.~ Details {9}
244  DF  .~.~.~.~.~ Power-operated hammers {2}
245.~.~.~.~.~.~ Sostenuto

DEFINITION

Classification: 84/245

Devices for producing sustained tone instead of the ordinary evanescent one.

(1) Note. Continue the search in subclasses 1.05 and 1.06 and indented subclasses of this class.