Patent FR-1917-515011
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Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- département Seine, France
| Year filed | 1917 |
|---|---|
| Year granted | 1920 |
| Office | FR |
| Patent number | 515011 |
| Inventors | Édouard Bertrand |
| Inventor country | FR |
| Applicant person | Édouard Bertrand |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements aux ailes d'avions |
| English title | Improvements to aeroplane wings |
| Tech fields | wings, airplane, design, lift, sustentation, aerodynamics |
| Filing date | 1917/09/08 |
| Full specification filed date | |
| Application number | 515011D |
| Grant date | 1920/11/20 |
| Granted? | Yes |
| Publication date | 1921/03/23 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Dupont et Elluin |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/00 |
| CPCs | CPC B64C3/00, CPC B64C2700/6233 |
| Family year | 1917 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19331706 |
| INPADOC family ID | 10309676 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 11 |
| Number of claims | 7 |
