US PATENT SUBCLASS 244 / 92
.~ Stabilizing propellers

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
92.~ Stabilizing propellers

DEFINITION

Classification: 244/92

(under subclass 75) Auxiliary propellers on aircraft for steering or stabilizing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

51, for main thrust propellers used also to steer.