US PATENT SUBCLASS 381 / 334
.~.~ Portable or for use in diverse environment

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

87  DF  HAVING NON-ELECTRICAL FEATURE (E.G., MOUNTING) {3}
332  DF  .~ And loudspeaker {4}
334.~.~ Portable or for use in diverse environment

DEFINITION

Classification: 381/334

Portable or for use in diverse environment:

(under subclass 332) Subject matter in which an enclosure is a) readily movable from one location to another, or b) adapted for use in an unusual location such as underwater, within a magnetic field, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

311, for a stereo earphone that is wireless or for use in a diverse environment.