US PATENT SUBCLASS 73 / 1.78
.~.~ Aircraft, inertial navigation, or attitude

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.75  DF  .~ Angle, direction, or inclination {3}
1.78.~.~ Aircraft, inertial navigation, or attitude

DEFINITION

Classification: 73/1.78

Aircraft, inertial navigation, or attitude:

(under subclass 1.75) Subject matter wherein either (a) the apparatus for proving or calibrating the device includes an aircraft or (b) the device being proven or calibrated either (1) is used in inertial navigation (e.g., monitoring aircraft angle, direction, or navigation), (2) is responsive to inertial navigation, or (3) is responsive to attitude.

SEE OR SEARCH THIS CLASS, SUBCLASS:

178+, for navigation testing.