Patent FR-1916-431862.20839
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This is the second addition to Patent FR-1911-431862, which brevet was filed 1911-07-03, the first addition being Patent FR-1912-431862.15364, which addition was filed 1912-01-26.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: département Seine, France
| Year filed | 1916 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 20839 |
| Inventors | |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | Société R. Bourbeau et H. Devaux |
| Applicant type | COMPANY |
| Applicant is inventor? | No |
| Original title | Aéroplane à coque directrice |
| English title | Steering hull airplane |
| Tech fields | Airplane, Hull, Rudder, Design, Aerodynamics, Control, Steering |
| Filing date | 1916/11/16 |
| Full specification filed date | |
| Application number | 20839D |
| Grant date | 1919/04/03 |
| Granted? | Yes |
| Publication date | 1919/07/22 |
| Supplementary to patent | Patent FR-1911-431862 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Lavoix et Mosès |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C35/00 |
| CPCs | CPC B64C35/001 |
| Family year | 1911 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 18731902 |
| INPADOC family ID | 5199470 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 4 |
