US PATENT SUBCLASS 244 / 33
.~.~ Captive

Current as of: June, 1999
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244 /   HD   AERONAUTICS

24  DF  AIRCRAFT, LIGHTER-THAN-AIR {7}
31  DF  .~ Balloons {2}
33.~.~ Captive

DEFINITION

Classification: 244/33

(under subclass 31) Aircraft sustained by their buoyancy relative to the air, restrained from free flight by ropes or cables connecting them to some fixed or movable anchoring means on the ground or water.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

214, for similar aircraft provided with signs or other advertising indicia.