US PATENT SUBCLASS 434 / 35
.~.~ In flight

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}
35.~.~ In flight {1}
36  DF  .~.~.~> With simulation of night or reduced visibility flight

DEFINITION

Classification: 434/35

In flight:

(under subclass 30) Subject matter wherein a real conveyance that flies through the atmosphere without restriction of its path is used for instruction.