Patent GB-1913-11999
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This is identical to Patent HU-1913-63964 and Patent FR-1913-459222 and Patent AT-1913-66955 and Patent CH-1913-64628, the AT and the CH sharing the same filing date, that is 1913-05-17, with Patent AT-1913-66955 being treated as the parent parent. A Russian predecessor would be ideal.
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: Wassilewsky Ostrow, Mittlere Perspektive No. 17, St. Petersburg, Russia
- Inventor occupation: "Hereditary Nobleman"
| Year filed | 1913 |
|---|---|
| Year granted | 1913 |
| Office | GB |
| Patent number | 11999 |
| Inventors | Sergei Tscherwinsky |
| Inventor country | RU |
| Applicant person | Sergei Tscherwinsky |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Flying Machines |
| English title | Airplane stability apparatus |
| Tech fields | Airplane, Stability, automatic stability, incidence, design, wings |
| Filing date | 1913/05/22 |
| Full specification filed date | 1913/05/22 |
| Application number | 191311999D |
| Grant date | 1913/11/20 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent AT-1913-66955 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Herbert Haddan & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C39/00 |
| CPCs | CPC B64C39/00, CPC B64C2700/6295 |
| Family year | 1913 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 23651606 |
| INPADOC family ID | 11137315 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 3 |
