Patent FR-1917-498821.22290
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This is the second addition to Patent FR-1917-498821, which was filed 1917-01-16.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: England
| Year filed | 1917 |
|---|---|
| Year granted | 1920 |
| Office | FR |
| Patent number | 22290 |
| Inventors | |
| Inventor country | GB |
| Applicant person | |
| Applicant firm | Patent Corporation Limited |
| Applicant type | COMPANY |
| Applicant is inventor? | No |
| Original title | Perfectionnements aux aéroplanes |
| English title | Improvements to airplanes |
| Tech fields | Airplane, biplane, design, construction, frame, wings |
| Filing date | 1917/03/12 |
| Full specification filed date | |
| Application number | 22290D |
| Grant date | 1920/12/30 |
| Granted? | Yes |
| Publication date | 1921/05/25 |
| Supplementary to patent | Patent FR-1917-498821 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Louis Tailfer |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/54 |
| CPCs | CPC B64C3/54 |
| Family year | 1917 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 18733330 |
| INPADOC family ID | 10244577 |
| Number of text pages | 3 |
| Number of diagram pages | 2 |
| Number of figures | 2 |
| Number of claims | 7 |
