US PATENT SUBCLASS 181 / 181
.~.~ With vibratory filaments

Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
177  DF  .~ Intensifying horn {11}
181.~.~ With vibratory filaments

DEFINITION

Classification: 181/181

(under subclass 177) Subject matter including thin wires which are attached to the sound intensifying horn.

(1) Note. The thin wires affect the quality or tone of the sound through vibration.