US PATENT SUBCLASS 340 / 572.7
.~.~.~.~ Specified antenna structure

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
568.1  DF  .~.~ Article placement or removal (e.g., anti-theft) {9}
572.1  DF  .~.~.~ Detectable device on protected article (e.g., "tag") {7}
572.7.~.~.~.~ Specified antenna structure

DEFINITION

Classification: 340/572.7

Specified antenna structure:

(under subclass 572.1) Subject matter where the detector system or tag has a particular aerial wave collector structure for sending or receiving signals.

SEE OR SEARCH CLASS

343, Communications: Radio Wave Antennas, for antennas, per se.