US PATENT SUBCLASS 84 / 146
.~.~.~ Trackers and sheets

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
115  DF  .~.~ Selectors {8}
146.~.~.~ Trackers and sheets {4}
147  DF  .~.~.~.~> Electric
148  DF  .~.~.~.~> For organs
149  DF  .~.~.~.~> Vertical
150  DF  .~.~.~.~> Playing on wind and rewind

DEFINITION

Classification: 84/146

Both the tracker and the sheet are modified. Includes devices for violins, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31, and 32.