Patent US-1910-990015
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Frame with several layers, including flapping elements; arches; valves which open during upward motion then close to maintain altitude and sustain lift; lifting propeller located within chamber (also with valves) at top of frame; driving propeller for horizontal movement; envisions fast takeoff from narrow launchpad.
- Inventor location (imputed by HistPat): Alpha, Warren county, NJ
- Witnesses as shown on the diagram pages: ... and Emory L. Groff ; we are dealing with issues of legibility here, as we are with reference to the signature of the patent agent.
- Witnesses as shown on the final text page: R. C. Braddock and Emory L. Groff
Sources
- Patent 990015 document and bibliographic info on espacenet
- Patent 990015 at google patents
| Year filed | 1910 |
|---|---|
| Year granted | 1911 |
| Office | US |
| Patent number | 990015 |
| Inventors | Josef Skorupa |
| Inventor country | US |
| Inventor location | |
| Applicant person | Josef Skorupa |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Aeroplane |
| English title | Aeroplane |
| Tech fields | airplane, helicopter, flapping, hybrid, takeoff, frame, wheels, navigation, rudder, stability, propeller, cables |
| Filing date | 1910/12/01 |
| Full specification filed date | |
| Application number | 1910595161 |
| Grant date | 1911/04/18 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 595161 |
| Patent agent | D. P. Wolhaupter |
| Assigned to | |
| National tech categories | USPC 244/104R |
| IPCs | |
| CPCs | CPC B64C23/005 |
| Family year | 1910 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 5 |
| Number of diagram pages | 6 |
| Number of figures | 11 |
| Number of claims | 11 |
