US PATENT SUBCLASS 84 / 163
.~.~.~.~ Overlapping holes

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
115  DF  .~.~ Selectors {8}
161  DF  .~.~.~ Note sheets {5}
163.~.~.~.~ Overlapping holes

DEFINITION

Classification: 84/163

Perforations for two successive notes overlap to produce a legato effect or for accent, etc.