USPC 244/49
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| Enclosing categories | USPC 244/46 |
|---|---|
| Subcategories | |
| Keywords | Foldable wings |
| Start year | |
| End year |
USPC 244/49 is for folding airfoils. This patent subclass is for "Sustaining airfoils arranged so that they may be folded up, perhaps to take less space in storage of the aircraft.[1]
- Airfoils which are folded or otherwise reduced in area during flight in order to vary their sustaining effect, are found in USPC 244/218.[1]
- Designs enabling a portion of the airfoil to be detached are in USPC 244/124.[1]
References
- ↑ 1.0 1.1 1.2 Subclass definition of USPC 244/49 on uspto.gov
{{USPC 244/34 tree}] Other techtypes related to USPC 244/49: USPC 244/218
Patents in category USPC 244/49
- Patent US-1915-1128065 (Inventors: Horace Leonard Short)
- Patent US-1902-827017 (English title: Wing of flying machines, Inventors: Joseph Hofmann, Filing date: 1902-06-27)
- Patent US-1909-926159 (English title: Flying machine, Inventors: John Holmes Wilson, Filing date: 1908-03-11)
- Patent US-1912-1014194 (English title: Aeroplane, Inventors: Sylvester Marcellos Williams, Filing date: 1909-01-02)
- Patent US-1910-996363 (English title: Aeroplane, Inventors: John J. Rectenwald, Filing date: 1910-11-03)
- Patent US-1911-1009770 (English title: Aeroplane, Inventors: Colin B. McKenzie, Filing date: 1910-11-07)
- Patent US-1912-1048338 (Inventors: Sheila O'NEILL, Filing date: 1911-03-07)
- Patent US-1912-1023484 (Inventors: Bruno Sitzenstok, Filing date: 1911-07-31)
- Patent US-1912-1054374 (English title: Flying apparatus, Inventors: Gustav Voigt, Supplementary to patent: Patent GB-1911-26855, Filing date: 1912-01-16)
- Patent US-1915-1130208 (English title: Flying-machine, Inventors: Rexford M. Smith, Filing date: 1912-01-20, Applicant firm: Connecticut Aircraft Company)
- Patent US-1915-1151297 (Inventors: Josef Schroeder, Filing date: 1913-03-18, Applicant firm: General Electric Co.)
- Patent US-1915-1143894 (English title: Combined aero, hydro, and auto plane, Inventors: Bronislaw Drozinski, Filing date: 1915-02-23)
- Patent US-1915-1166367 (English title: Hydroaeroplane, Inventors: William S. Hart, Filing date: 1915-04-06)
- Patent US-1916-1205676 (Inventors: Horace Leonard Short, Filing date: 1916-05-04)
- Patent US-1918-1286679 (English title: Combination vehicle, Inventors: Felix Longobardi, Filing date: 1918-06-12)
