US PATENT SUBCLASS 181 / 133
.~.~.~ Deflector type

Current as of: June, 1999
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181 /   HD   ACOUSTICS

126  DF  ANATOMIC OR PROSTHETIC RELATION {2}
128  DF  .~ Ear and mouth {4}
130  DF  .~.~ Auditory canal insert {5}
133.~.~.~ Deflector type

DEFINITION

Classification: 181/133

(under subclass 130) Subject matter wherein there is a device to deflect sound waves into the auditory canal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

136, for a device to deflect sound wave to an ear where there is no element inserted into the auditory canal.