US PATENT SUBCLASS 84 / 150-- .~.~.~.~ Playing on wind and rewind

US PATENT SUBCLASS 84 / 150
.~.~.~.~ Playing on wind and rewind

Current as of: June, 1999
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84 /	HD	MUSIC

1	DF	INSTRUMENTS {9}
*	DD	.~ Automatic {13}
115	DF	.~.~ Selectors {8}
146	DF	.~.~.~ Trackers and sheets {4}
150		.~.~.~.~ Playing on wind and rewind

DEFINITION

Classification: 84/150

The sheet has two sets of perforations, one set to be used as usual, the other to be used during rewinding.