US PATENT SUBCLASS 244 / 135 R
.~ Fuel supply

Current as of: June, 1999
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244 /   HD   AERONAUTICS

117 R  DF  AIRCRAFT STRUCTURE {14}
135 R.~ Fuel supply {3}
135 A  DF  .~.~> Aircraft refueling
135 B  DF  .~.~> Flexible containers
135 C  DF  .~.~> Fuel balancing systems

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.