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-1902-827017 (English title: Wing of flying machines, Inventors: Joseph Hofmann)
- Patent US-1909-926159 (English title: Flying machine, Inventors: John Holmes Wilson)
- Patent US-1911-996363 (English title: Aeroplane, Inventors: John J. RECTENWALD)
- Patent US-1911-1009770 (English title: Aeroplane, Inventors: Colin B. McKenzie)
- Patent US-1912-1048338 (Inventors: Sheila O'NEILL)
- Patent US-1912-1023484 (Inventors: Bruno Sitzenstok)
- Patent US-1912-1014194 (English title: Aeroplane, Inventors: Sylvester Marcellos Williams)
- Patent US-1913-1054374 (English title: Flying apparatus, Inventors: Gustav Voigt)
- Patent US-1915-1166367 (English title: Hydroaeroplane, Inventors: William S. Hart)
- Patent US-1915-1143894 (English title: Combined aero, hydro, and auto plane, Inventors: Bronislaw Drozinski)
- Patent US-1915-1151297 (Inventors: Josef Schroeder)
- Patent US-1915-1128065 (Inventors: Horace Leonard Short)
- Patent US-1915-1130208 (English title: Flying-machine, Inventors: Rexford M. Smith)
- Patent US-1916-1205676 (Inventors: Horace Leonard Short)
- Patent US-1918-1286679 (English title: Combination vehicle, Inventors: Felix Longobardi)
