US PATENT SUBCLASS 381 / 78
.~ Drive-in


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

77  DF  ONE-WAY AUDIO SIGNAL PROGRAM DISTRIBUTION {4}
78.~ Drive-in


DEFINITION

Classification: 381/78

Drive-in:

(under subclass 77) Subject matter for providing one-way communication between a central location and one or more stations accessible to occupants of automobiles.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87+, for audio systems having nonelectrical features such as mountings, housings etc.