Patent FR-1919-498841
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This original makes reference to the American priority date 1919-02-25. Patent US-919-02-25 Alfredo Guillermo Leigh
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: The United States
| Year filed | 1919 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 498841 |
| Inventors | Alfredo Guillermo Leigh |
| Inventor country | US |
| Applicant person | Alfredo Guillermo Leigh |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements aux aéroplanes à stabilité automatique |
| English title | Improvements brought to automatic airplane stability |
| Tech fields | airplane, stability, automatic stability |
| Filing date | 1919-04-23 |
| Full specification filed date | |
| Application number | |
| Grant date | 1919-10-31 |
| Granted? | 1 |
| Publication date | 1920-01-23 |
| Supplementary to patent | Patent US-1919-02-25 Alfredo Guillermo Leigh |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | E. Blétry |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C1/00, IPC B64C17/00, IPC E04G13/02 |
| CPCs | CPC B64C17/00, CPC E04G13/025 |
| Family year | 1919 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 4 |
| Number of diagram pages | 1 |
| Number of figures | 8 |
| Number of claims | 5 |
