Patent FR-1912-443843
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Design for sectional propeller blades.
Corresponds with a patent submitted in England on 16 May 1911 (Patent GB-1911-11785)
- Inventor location: France (Seine)
Sources
- Aéro-Manuel 1914; http://espacenet.com/searchResults?query=fr443843a]
- Espacenet: Original; Original patent document and bibliography entry on espacenet
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | FR |
| Patent number | 443843 |
| Inventors | Alexandre Liwentaal |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements apportés aux propulseurs ou hélices et organes analogues |
| English title | Propellers or blades and similar apparatus |
| Tech fields | propeller |
| Filing date | May 15, 1912 |
| Full specification filed date | |
| Application number | 443843D |
| Grant date | July 23, 1911 |
| Granted? | Yes |
| Publication date | October 3, 1912 |
| Supplementary to patent | Patent GB-1911-11785 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | J. Bonnet-Thirion |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/16 |
| CPCs | CPC B64C11/16 |
| Family year | 1912 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19262238 |
| INPADOC family ID | 5332395 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 7 |
| Number of claims | 2 |
