US PATENT SUBCLASS 342 / 153
.~.~ With particular antenna or waveguide

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

147  DF  DETERMINING DIRECTION {6}
149  DF  .~ Monopulse {5}
153.~.~ With particular antenna or waveguide

DEFINITION

Classification: 342/153

With particular antenna or waveguide:

(under subclass 149) Subject matter including a significant antenna apparatus or wave guide structure.

SEE OR SEARCH CLASS

333, Wave Transmission Lines and Networks, appropriate subclasses for wave guides, per se.

343, Communications: Radio Wave Antennas, appropriate subclass for structural apparatus for the transmission or reception of radio waves.