US PATENT SUBCLASS 244 / 134 R
.~ Ice prevention

Current as of: June, 1999
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244 /   HD   AERONAUTICS

117 R  DF  AIRCRAFT STRUCTURE {14}
134 R.~ Ice prevention {6}
134 A  DF  .~.~> Flexible surfaces
134 B  DF  .~.~> Heating fluid in airfoil
134 C  DF  .~.~> Deicing fluid on airfoil exterior
134 D  DF  .~.~> Electric
134 E  DF  .~.~> Nature of surface
134 F  DF  .~.~> Initiators and indicators

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.