US PATENT SUBCLASS 340 / 977
.~.~ Altitude

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

Internet Version by PATENTEC © 1999      Terms of Use


340 /   HD   COMMUNICATIONS: ELECTRICAL

945  DF  AIRCRAFT ALARM OR INDICATING SYSTEMS {11}
971  DF  .~ Nonalarm flight indicator {7}
977.~.~ Altitude

DEFINITION

Classification: 340/977

Altitude:

(under subclass 971) Subject matter having an indicator representing the distance from the aircraft to ground or sea level.