US PATENT SUBCLASS 84 / 66
.~.~.~.~.~.~ Connections to hammers


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}
65  DF  .~.~.~.~.~ Power pneumatics {1}
66.~.~.~.~.~.~ Connections to hammers {3}
67  DF  .~.~.~.~.~.~.~> To key
68  DF  .~.~.~.~.~.~.~> To abstract
69  DF  .~.~.~.~.~.~.~> To wippen


DEFINITION

Classification: 84/66

Patents covering various forms of connections between the pneumatic and the hammer.