Hot gas device

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons

Patent

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Details

244 5, B64B 140

Patent

active

051040603

ABSTRACT:
A closed-system hot gas device for flotation in the atmosphere having a rigid cap and flexible sides with an interior gas-heating element.

REFERENCES:
patent: 1556459 (1925-10-01), Szymanski
patent: 1600451 (1926-09-01), Cartasso
patent: 1629843 (1927-05-01), Silver
patent: 1834614 (1931-12-01), Hall
patent: 1866079 (1932-07-01), Blondin
patent: 3913871 (1975-10-01), Miller
patent: 3993268 (1976-11-01), Moore

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