Patent FR-1920-511503
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This makes reference to the British priority date 1919-03-14. This is the filing date of Provisional Specification 6420, WHICH IS INCLUDED WITHIN Patent GB-1919-144395. The reference likely pertains to the value of Patent GB-1919-144395 as a whole. The diagrammatic and other content here reflects the full value of the complete parent parent.
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: the United States
| Year filed | 1920 |
|---|---|
| Year granted | 1920 |
| Office | FR |
| Patent number | 511503 |
| Inventors | John Arthur Weis |
| Inventor country | US |
| Applicant person | John Arthur Weis |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements aux aéroplanes |
| English title | Improvements to airplanes |
| Tech fields | airplane, wings, construction, design, frame |
| Filing date | 1920-03-12 |
| Full specification filed date | |
| Application number | |
| Grant date | 1920-09-25 |
| Granted? | 1 |
| Publication date | 1920-12-28 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | L. Chassevent |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/56 |
| CPCs | CPC B64C3/56 |
| Family year | 1919 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 5 |
| Number of diagram pages | 2 |
| Number of figures | 6 |
| Number of claims | 2 |
