US PATENT SUBCLASS 381 / 367
.~.~.~ In headgear

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

150  DF  ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18}
355  DF  .~ Housed microphone {4}
361  DF  .~.~ Mounting or support {7}
367.~.~.~ In headgear

DEFINITION

Classification: 381/367

In headgear:

(under subclass 361) Subject matter wherein the microphone is mounted or supported in or on a helmet or breathing mask or similar structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

364, for microphone attached to a person`s body or clothing.