US PATENT SUBCLASS 244 / 135 A
.~.~ Aircraft refueling

Current as of: June, 1999
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244 /   HD   AERONAUTICS

117 R  DF  AIRCRAFT STRUCTURE {14}
135 R  DF  .~ Fuel supply {3}
135 A.~.~ Aircraft refueling

Unofficial Alpha Subclasses: R A B C

DEFINITION

Classification: 244/135

(under subclass 117) Arrangements for storing and feeding fuel on aircraft, or for supplying fuel to or removing fuel from aircraft.