US PATENT SUBCLASS 244 / 189
.~.~.~ By remote radio signal

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
76 R  DF  .~ Automatic {10}
175  DF  .~.~ Electric course control {10}
189.~.~.~ By remote radio signal {1}
190  DF  .~.~.~.~> Of pilotless aircraft

DEFINITION

Classification: 244/189

(under subclass 175) System wherein the path of flight is governed by means in the aircraft responsive to electromagnetic waves transmitted from a distant generator of such waves.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189, for a system controlled by a remote radio signal to control steering or yaw.

SEE OR SEARCH CLASS

180, Motor Vehicles,

167+, as explained in the reference to that class (180) appearing in subclass 75 above.