US PATENT SUBCLASS 84 / 78
.~.~.~.~.~.~.~.~.~ Upper panel moved

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
7  DF  .~.~ Stringed {4}
13  DF  .~.~.~ Pianos {5}
24  DF  .~.~.~.~ Pneumatic type {10}
70  DF  .~.~.~.~.~ Wind-supply devices {3}
72  DF  .~.~.~.~.~.~ Pedals {3}
75  DF  .~.~.~.~.~.~.~ With doors {1}
76  DF  .~.~.~.~.~.~.~.~ Operating together {2}
78.~.~.~.~.~.~.~.~.~ Upper panel moved

DEFINITION

Classification: 84/78

The panel in front of the tracker-box is shifted simultaneously with the pedal-door.