US PATENT SUBCLASS 381 / 330
.~.~ Hook over ear

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

312  DF  HEARING AIDS, ELECTRICAL {9}
322  DF  .~ Specified casing or housing {8}
330.~.~ Hook over ear

DEFINITION

Classification: 381/330

Hook over ear:

(under subclass 322) Subject matter including support structure which engages an exterior portion of the user's ear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

381, for a hook over ear type headphone including a particular support structure.