Patent FR-1913-457856
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Supplementary to Patent BE-1912-04-06
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1913 |
|---|---|
| Year granted | 1913 |
| Office | FR |
| Patent number | 457856 |
| Inventors | Stéphane Drzewiecki |
| Inventor country | FR |
| Applicant person | Stéphane Drzewiecki |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements apportés aux aéroplanes |
| English title | Improvements to airplanes |
| Tech fields | |
| Filing date | March 20, 1913 |
| Full specification filed date | |
| Application number | 457856D |
| Grant date | July 23, 1913 |
| Granted? | Yes |
| Publication date | September 27, 1913 |
| Supplementary to patent | Patent BE-1912-04-06 Drzewiecki |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Weismann et Marx |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C39/00 |
| CPCs | CPC B64C39/00, CPC B64C2700/6295 |
| Family year | 1912 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19275917 |
| INPADOC family ID | 5344140 |
| Number of text pages | 5 |
| Number of diagram pages | 3 |
| Number of figures | 8 |
| Number of claims | 1 |
