US PATENT SUBCLASS 244 / 31
.~ Balloons


Current as of: June, 1999
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244 /   HD   AERONAUTICS

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


DEFINITION

Classification: 244/31

(under subclass 24) Aircraft sustained by their buoyancy relative to the air, having no provision for propulsion.

SEE OR SEARCH CLASS

442, Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, etc.),

59+, for a coated or impregnated fabric.