USPC 244/33

USPC 244/33 Captive: (parent is 244/31) 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. Relatedly, see or search: USPC 40 Card, Picture, or Sign Exhibiting, subclass USPC 40/214 for similar aircraft provided with signs or other advertising.

References

Patents in category USPC 244/31

• Patent US-1859-23163 (English title: Balloon, Inventors: James P. Gage, Filing date: 1859)
• Patent US-1874-151124 (English title: Balloons, Inventors: James Hartness, Filing date: 1874-04-14)
• Patent US-1884-293735 (English title: Marine electric messenger, Inventors: John C. Henderson, Filing date: 1883-05-21)
• Patent US-1893-498692 (English title: Fire balloon, Inventors: Thomas M. Pierce, Filing date: 1892-10-14)
• Patent US-1898-605438 (English title: Air-Ship, Inventors: Adolph Koehler, Filing date: 1897-09-17)
• Patent US-1912-1031148 (Inventors: Attilio Ranza, Filing date: 1908-04-14)
• Patent US-1909-999469 (English title: Balloon-form, Inventors: Johann Schütte, Filing date: 1909-07-02)
• Patent US-1910-965021 (English title: Flying machine, Inventors: Hans Schoueboe, Filing date: 1909-10-15)
• Patent US-1912-1019368 (Inventors: Robert Cooke Sayer, Filing date: 1910-06-13)

Enclosing categories	USPC 244/31
Subcategories
Keywords	LTA
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