Patent FR-1912-444505
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- Inventor location: rue de Péronne, 51, Cambrai (Nord)
Sources
- Aéro-Manuel 1914
- Original patent document and bibliography entry on espacenet
- Patent FR444505A on google patents
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | FR |
| Patent number | 444505 |
| Inventors | Ernest Bertin |
| Inventor country | FR |
| Inventor location | Cambrai, Nord |
| Applicant person | Ernest Bertin |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Hélicoptère parachute à stabilité automatique et à système moteur léger de puissance variable |
| English title | helicopter parachute with automatic stability and light motor system of variable power |
| Tech fields | parachute, helicopter, motors, propulsion, automatic stability, hybrid |
| Filing date | 1912/05/25 |
| Full specification filed date | |
| Application number | 444505D |
| Grant date | 1912/08/09 |
| Granted? | Yes |
| Publication date | 1912/10/19 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | None |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/00 |
| CPCs | CPC B64C11/00 |
| Family year | 1912 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19262886 |
| INPADOC family ID | 5332953 |
| Number of text pages | 6 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 10 |
