US PATENT SUBCLASS 244 / 134 B
.~.~ Heating fluid in airfoil

Current as of: June, 1999
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244 /   HD   AERONAUTICS

117 R  DF  AIRCRAFT STRUCTURE {14}
134 R  DF  .~ Ice prevention {6}
134 B.~.~ Heating fluid in airfoil

Unofficial Alpha Subclasses: R A B C D E F

DEFINITION

Classification: 244/134

(under subclass 117) Devices and arrangements for preventing the formation of ice on the exposed surfaces of aircraft.

SEE OR SEARCH CLASS

343, Communications: Radio Wave Antennas,

704, for antennas with an ice clearer or preventer.