Patent FR-1914-473227
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Reference is made herein to a preceding Brithish filing dated 1913-02-14. The filing date, along with matching diagrams and so forth establish Patent GB-1913-3848 as said parent patent.
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: England
| Year filed | 1914 |
|---|---|
| Year granted | 1914 |
| Office | FR |
| Patent number | 473227 |
| Inventors | Sam Leonard Walkden |
| Inventor country | GB |
| Applicant person | Sam Leonard Walkden |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements dans les aéroplanes et autres machines volantes |
| English title | Improvements (in automatic stability via wind-resistance-actionated fans) brought to airplanes and other flying machines |
| Tech fields | Airplane, Stability, Propellers, Equilibrium, Subsystem, automatic stability |
| Filing date | 1914/02/11 |
| Full specification filed date | |
| Application number | 473227D |
| Grant date | 1914/09/14 |
| Granted? | Yes |
| Publication date | 1915/01/06 |
| Supplementary to patent | Patent GB-1913-3848 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Armengaud jeune |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC CPC B64C13/00 |
| CPCs | CPC B64C13/00, CPC B64C2700/6256 |
| Family year | 1913 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19290940 |
| INPADOC family ID | 5357019 |
| Number of text pages | 7 |
| Number of diagram pages | 1 |
| Number of figures | 9 |
| Number of claims | 12 |
