Patent FR-1908-396821
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This lift surfaces of this airplane can oscillate, and move otherwise, having effects on angle of incidence, among other things.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: Switzerland
Patent family descending from Patent FR-1908-396821
- Patent FR-1908-396821 (English title: Airplane, National tech categories: FR 6.4)
- Patent FR-1908-396821.10257 (English title: Airplane, Supplementary to patent: Patent FR-1908-396821, National tech categories: FR 6.4)
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 396821 |
| Inventors | Léon Dufour |
| Inventor country | CH |
| Inventor location | |
| Applicant person | Léon Dufour |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Aéroplane |
| English title | Airplane |
| Tech fields | airplane, design, propellers, propulsion, ascension, wings, lift, sustentation, rudder, incidence, frame |
| Filing date | 1908/11/16 |
| Full specification filed date | |
| Application number | 396821D |
| Grant date | 1909/02/16 |
| Granted? | Yes |
| Publication date | 1909/04/21 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | G. de Mestral et F. Harlé |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/56, IPC B64C31/028 |
| CPCs | CPC B64C31/028, CPC B64C3/56 |
| Family year | 1908 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19216223 |
| INPADOC family ID | 5195094 |
| Number of text pages | 4 |
| Number of diagram pages | 1 |
| Number of figures | 6 |
| Number of claims | 1 |
