Patent US-1910-996932
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Rectangular frame skeleton with arch and fabric covering on top; screw propeller and paddle propellers; wing planes rotate and fold; rounded edges
Described in Aero 11 days after grant: "An aeroplane comprising a main frame and separate rotatable shafts mounted transversely thereon, planes on the outer portions of said shafts" and the "outer planes [are] hinged to fold [the] planes against [the] frame", and "operating devices having flexible means connected with the inner end edges of each plane wherewith the planes may be rotated and also permitted to fold without disconnecting the parts."
- Tech class: CPC B64C39/005: Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage about a horizontal transversal axis
- Inventor location: Cleveland, Cuyahoga county, OH (FIPSloc=39035, imputed by HistPat)
Sources
- Patent 996932 document and bibliographic info on espacenet
- Patent 996932 at google patents
- In official USPO patent gazette
- Described in Aero, 15 July 1911, p. 338
| Year filed | 1910 |
|---|---|
| Year granted | 1911 |
| Office | US |
| Patent number | 996932 |
| Inventors | Robert Leidorf |
| Inventor country | US |
| Applicant person | Robert Leidorf |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aeroplane |
| English title | Aeroplane |
| Tech fields | airplane, frame, propeller, wheels, airfoil |
| Filing date | 1910-11-07 |
| Full specification filed date | |
| Application number | 1910591092 |
| Grant date | 1911-07-04 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 591092 |
| Patent agent | Fisher & Moser? |
| Assigned to | |
| National tech categories | USPC 244/48 |
| IPCs | |
| CPCs | CPC B64C39/005 |
| Family year | 1910 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 47466570 |
| INPADOC family ID | 43945107 |
| Number of text pages | 3 |
| Number of diagram pages | 4 |
| Number of figures | 9 |
| Number of claims | 6 |
