Patent FR-1909-380581.10732
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Sources
- L'Aérophile, Oct 1, 1909, p456
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: Belgium
| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 10732 |
| Inventors | Émile Dupont |
| Inventor country | BE |
| Applicant person | Émile Dupont |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | 1er cert. d'add, au brevet pris, le 6 aout 1907, pour hélicoptère ou aéroplanes à deux hélices |
| English title | Supplement to patent of Aug 6, 1907 for airplanes or helicopters with two propellers |
| Tech fields | Airplane, Helicopter, Propellers, Propulsion, Ascension |
| Filing date | 1909/03/25 |
| Full specification filed date | |
| Application number | 10732D |
| Grant date | 1909/07/29 |
| Granted? | Yes |
| Publication date | 1909/09/10 |
| Supplementary to patent | Patent FR-1907-380581 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Schwab |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/52, IPC B64C27/04 |
| CPCs | CPC B64C2700/6245, CPC B64C11/48, CPC B64C27/10, CPC B64C3/52 |
| Family year | 1907 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 18703089 |
| INPADOC family ID | 5195594 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 16 |
| Number of claims | 2 |
