US PATENT SUBCLASS 434 / 52
.~.~.~ Ice formation or aircraft weight

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

29  DF  VEHICLE OPERATOR INSTRUCTION OR TESTING {4}
30  DF  .~ Flight vehicle {14}
49  DF  .~.~ Aircraft or ambient condition simulated electrically or indicated by instrument or alarm {5}
52.~.~.~ Ice formation or aircraft weight

DEFINITION

Classification: 434/52

Ice formation or aircraft weight:

(under subclass 49) Subject matter including means for imitating (a) an accumulation of ice on an aircraft, e.g.., on its wings or in a fuel tank, or (b) the weight of such a conveyance.