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 |
Inventor location | |
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 |