US PATENT SUBCLASS 342 / 367
.~ Including directive communication system

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

350  DF  DIRECTIVE {10}
367.~ Including directive communication system

DEFINITION

Classification: 342/367

Including directive communication system:

(under subclass 350) Subject matter including a system for sending or receiving information for some purpose other than direction finding.

SEE OR SEARCH CLASS

370, Multiplex Communications, appropriate subclasses for nondirective type systems including the transmission of

multiplexed information signals.

375, Pulse or Digital Communications, appropriate subclasses for nondirective type systems including the transmission or pulse or digital information signals, per se.

455, Telecommunications, appropriate subclasses for nondirective signal transmission/reception systems, per se.