US PATENT SUBCLASS 181 / 242
.~.~ Mouthpiece (e.g., telephone, microphone, etc.)

Current as of: June, 1999
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181 /   HD   ACOUSTICS

175  DF  SOUND-MODIFYING MEANS {12}
212  DF  .~ Muffler, fluid conducting type {25}
242.~.~ Mouthpiece (e.g., telephone, microphone, etc.)

DEFINITION

Classification: 181/242

Mouthpieces (e.g., telephone, microphone, etc.):

(under subclass 212) Subject matter comprising devices constructed to be spoken into.

(1) Note. Only such parts of the device necessary to establish the environment are included in this subclass. For devices such as microphones, telephones, etc., per se, search the appropriate art.

SEE OR SEARCH CLASS

379, Telephonic Communications,

437+, for such devices in combination with telephones.