US PATENT SUBCLASS 359 / 112
.~ Eavesdropping

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

109  DF  OPTICAL COMMUNICATION {13}
112.~ Eavesdropping

DEFINITION

Classification: 359/112

Eavesdropping:

(under subclass 109) Subject matter wherein the information content of an optical communication message intended for one receiver is obtained surreptitiously by another without the other parties being notified.

SEE OR SEARCH CLASS

379, Telephonic Communications,

35, for listening-in or eavesdropping type telephonic service monitoring or observation.