US PATENT SUBCLASS 244 / 208
.~.~.~.~.~.~ And suction

Current as of: June, 1999
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244 /   HD   AERONAUTICS

34 R  DF  AIRCRAFT SUSTENTATION {2}
35 R  DF  .~ Sustaining airfoils {7}
198  DF  .~.~ With lift modification {3}
201  DF  .~.~.~ Variable {6}
204  DF  .~.~.~.~ By controlling boundary layer {6}
207  DF  .~.~.~.~.~ With blowing {1}
208.~.~.~.~.~.~ And suction

DEFINITION

Classification: 244/208

(under subclass 207) Blowing means combined with means to remove air from the air stream and draw it into the interior of the airfoil.