US PATENT SUBCLASS 342 / 462
.~.~ With altitude determination

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

350  DF  DIRECTIVE {10}
450  DF  .~ Position indicating (e.g., triangulation) {11}
462.~.~ With altitude determination

DEFINITION

Classification: 342/462

With altitude determination:

(under subclass 450) Subject matter including means to determine the height above sea level of air object.