Patent GB-1901-3691
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Sources
- Neilson, 1910, Aeroplane Patents, p73
- (Nelson here takes us to "M. Léger" under Heavier-Than-Air Flying Machines filed in 1901, and this is corrobrated by Espacenet, under this patent number, filed in Great Britain, and it is in comportment with Léger's work with the helicopter.)
- Original patent document and bibliography entry on espacenet
- Inventor location: Monoco
- (I am not sure of the "E. LEGER" or "Navigable Balloon" previously found below.)
| Year filed | 1901 |
|---|---|
| Year granted | 1902 |
| Office | GB |
| Patent number | 3691 |
| Inventors | Maurice Léger |
| Inventor country | MC |
| Applicant person | Maurice Léger |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Flying Apparatus |
| English title | Helicopter |
| Tech fields | Helicopter |
| Filing date | 1901/02/20 |
| Full specification filed date | |
| Application number | |
| Grant date | 1901/11/20 |
| Granted? | Yes |
| Publication date | 1902/01/20 |
| Supplementary to patent | Patent HU-1901-22471 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Herbert Haddan & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1901 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 6 |
| Number of diagram pages | 6 |
| Number of figures | 12 |
| Number of claims | 6 |
