US PATENT SUBCLASS 342 / 438
.~.~.~.~ Including separate indicators


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}
385  DF  .~ Beacon or receiver {2}
417  DF  .~.~ Direction-finding receiver only {14}
432  DF  .~.~.~ With plural fixed antenna pattern comparing {5}
438.~.~.~.~ Including separate indicators


DEFINITION

Classification: 342/438

Including separate indicators:

(under subclass 432) Subject matter wherein the comparison is made by use of two or more distinct indicating devices.