US PATENT SUBCLASS 379 / 413
.~ Power supply (e.g., battery feed)

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

Internet Version by PATENTEC © 1999      Terms of Use


379 /   HD   TELEPHONIC COMMUNICATIONS

399  DF  SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE {5}
413.~ Power supply (e.g., battery feed)

DEFINITION

Classification: 379/413

Power supply (e.g., battery feed):

(under subclass 399) Subject matter wherein the interface further includes a source of electrical energy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

322+, for a power supply at a central switching office.