Patent FR-1911-431578
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- Tech class: CPC B64D35/04: Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
- Inventor location: Nièvre departément
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1911 |
|---|---|
| Year granted | 1911 |
| Office | FR |
| Patent number | 431578 |
| Inventors | Henri-Marie-Edmond de Perthuis |
| Inventor country | FR |
| Applicant person | Henri-Marie-Edmond de Perthuis |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Dispositif servant à assurer l'équilibre des aéroplanes |
| English title | Device used to ensure the balance of airplanes |
| Tech fields | automatic stability |
| Filing date | 1911-06-24 |
| Full specification filed date | |
| Application number | |
| Grant date | 1911-09-16 |
| Granted? | 1 |
| Publication date | 1911-11-14 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Rigot et Prévost |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64D35/04 |
| CPCs | CPC B64D35/04 |
| Family year | 1911 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 1 |
| Application ID | 19250230 |
| INPADOC family ID | 5322286 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 2 |
