US PATENT SUBCLASS 244 / 87
.~ Rudders and empennage
Current as of:
June, 1999
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244 /
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AERONAUTICS
75 R
DF
AIRCRAFT CONTROL
{8}
87
.~ Rudders and empennage {3}
88
DF
.~.~
> Rudders universally mounted
89
DF
.~.~
> Elevators both front and rear
90 R
DF
.~.~
> Ailerons and other roll control devices {2}
DEFINITION
Classification: 244/87
(under subclass 75) Auxiliary airfoils and their arrangements with respect to each other or to fixed portions of aircraft, for steering and stabilizing.
SEE OR SEARCH THIS CLASS, SUBCLASS:
91, for fixed stabilizing fins.