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Class Information
Number: 244/32
Name: Aeronautics > Aircraft, lighter-than-air > Balloons > With parachutes
Description: Aircraft normally sustained by their buoyancy relative to the air, having also provision for retarding their fall upon failure of their buoyancy, by means of parachutes attached to or formed from some part of their structure.


Patents under this class:

Patent Number Title Of Patent Date Issued
6144899 Recoverable airborne instrument platform Nov. 7, 2000
5967459 Balloon with controlled parachute Oct. 19, 1999
5931413 Aircraft Aug. 3, 1999
4497272 Mastless sails Feb. 5, 1985
4050653 Balloon Sep. 27, 1977
4025913 Electrical field sensing and transmitting apparatus May. 24, 1977
 
 
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