US PATENT SUBCLASS 244 / 205
.~.~.~.~.~ With ionic or electrostatic surface


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}
204  DF  .~.~.~.~ By controlling boundary layer {6}
205.~.~.~.~.~ With ionic or electrostatic surface


DEFINITION

Classification: 244/205

(under subclass 204) Boundary layer control means comprising means to create and/or vary an electric field about the airfoil.