US PATENT SUBCLASS 340 / 975
.~.~.~ Roll or pitch

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

945  DF  AIRCRAFT ALARM OR INDICATING SYSTEMS {11}
971  DF  .~ Nonalarm flight indicator {7}
974  DF  .~.~ Attitude {2}
975.~.~.~ Roll or pitch

DEFINITION

Classification: 340/975

Roll or pitch:

(under subclass 974) Subject matter having the indicator representing the angle between the longitudinal axis of the aircraft and the relative wind or the angle the aircraft must be rotated about its longitudinal axis in order to bring its lateral axis into a horizontal plane.