Patent FR-1909-403412
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Hybrid « aéroplane dirigeable » with large fish-shaped metal structure covered above by fabric envelope containing hydorgen gas. A ballonet serves to allow additional adjustment of gas pressure.
Supplementary to Belgian original dated 23 June 1908.
| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 403412 |
| Inventors | Léon Bot, Eugène Lallemand |
| Inventor country | FR |
| Applicant person | BOT LEON |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Appareil de navigation aérienne |
| English title | Aerial navigation apparatus |
| Tech fields | hybrid, LTA, airplane, parachute, balloon, airfoil, hydrogen, camber, gas, pressure, ballonet, metal, propeller, nacelle |
| Filing date | 1909-05-27 |
| Full specification filed date | |
| Application number | 403412D |
| Grant date | 1909-09-23 |
| Granted? | 1 |
| Publication date | 1909-11-04 |
| Supplementary to patent | Patent BE-1908-Bot-Lallemand |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | J. Bonnet-Thirion |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | |
| CPCs | CPC B64C23/005, CPC B64C2700/6273 |
| Family year | 1909 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19222671 |
| INPADOC family ID | 5300469 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location:
