US PATENT SUBCLASS 84 / 374
.~.~.~ Fan tremolos

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}
330  DF  .~ Wind {5}
351  DF  .~.~ Reed organs {10}
374.~.~.~ Fan tremolos

DEFINITION

Classification: 84/374

Devices to produce interruptions in the flow of sound, usually of the rotating-fan type.

(1) Note. Compare this class, subclass 348.