US PATENT SUBCLASS 244 / 31
.~ Balloons

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.