US PATENT SUBCLASS 84 / 254
.~.~.~.~.~ Hammer heads

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}
254.~.~.~.~.~ Hammer heads

DEFINITION

Classification: 84/254

Improvements in the striking parts of the hammer and in hammer-felts.

SEE OR SEARCH CLASS

144, Woodworking,

29, for piano-hammer felting.