US PATENT SUBCLASS 244 / 218
.~.~.~.~ Area

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
218.~.~.~.~ Area

DEFINITION

Classification: 244/218

(under subclass 201) Variable lift modifier including means to change the surface area of the airfoil to be acted upon by the relatively moving stream of air.