Patent FR-1908-387175
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Staggered biplane with two propellers (one on each side, turning inversely) between the two layers.
Refers to supple (& gauchissable) propeller blades as described in Patent FR-1907-375606.
- Inventor location: France (Nord)
Sources
- {{esp|FR|387175A espacenet]
| Year filed | 1908 |
|---|---|
| Year granted | 1908 |
| Office | FR |
| Patent number | 387175 |
| Inventors | Louis Bréguet |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Aéroplane mixte |
| English title | Mixed airplane |
| Tech fields | biplane, hybrid, airplane, frame, propeller |
| Filing date | February 12, 1908 |
| Full specification filed date | |
| Application number | 387175D |
| Grant date | April 30, 1908 |
| Granted? | Yes |
| Publication date | July 2, 1908 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Armengaud jeune |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C23/00 |
| CPCs | CPC B64C2700/6274, CPC B64C23/005 |
| Family year | 1908 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19206803 |
| INPADOC family ID | 5286921 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 5 |
