US PATENT SUBCLASS 84 / 407
.~.~.~ With electric action


Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
402  DF  .~ Rigid vibrators {5}
406  DF  .~.~ Bells {1}
407.~.~.~ With electric action


DEFINITION

Classification: 84/407

The strikers are actuated or controlled by electromagnets.

SEE OR SEARCH CLASS

340, Communications: Electrical,

392.1+, for an electrically operated signal bell.