Patent FR-1911-426626
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This seems to have marine applicability as well. Nevertheless, it was given solid FR 6.4 classification. It is oriented to greater speed propulsion.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: Isère; France
Patent family descending from Patent FR-1911-426626
- Patent FR-1911-426626 (English title: Propeller of eight blades, each rotating, giving semi-orthogonal angles of attack, National tech categories: FR 6.4)
- Patent BE-1912-243480 (English title: Propeller with or of semi-orthogonal attack, Supplementary to patent: Patent FR-1911-426626, National tech categories: BE K)
- Patent FR-1914-426626.18838 (English title: Propeller of eight blades, each rotating, giving semi-orthogonal angles of attack, Supplementary to patent: Patent FR-1911-426626, National tech categories: FR 6.4)
- Patent BE-1914-243480.267520 (English title: Propeller with or of semi-orthogonal attack, Supplementary to patent: Patent BE-1912-243480 • Patent FR-1914-426626.18838 • Patent FR-1911-426626, National tech categories: BE K)
| Year filed | 1911 |
|---|---|
| Year granted | 1911 |
| Office | FR |
| Patent number | 426626 |
| Inventors | Charles Espinosa, Louis Vinay |
| Inventor country | FR |
| Inventor location | |
| Applicant person | Charles Espinosa, Louis Vinay |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Propulseur à attaque semi-orthogonale |
| English title | Propeller of eight blades, each rotating, giving semi-orthogonal angles of attack |
| Tech fields | propellers, propulsion, marine, design |
| Filing date | 1911/02/27 |
| Full specification filed date | |
| Application number | 426626D |
| Grant date | 1911/05/09 |
| Granted? | Yes |
| Publication date | 1911/07/11 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | H. Bœttcher fils |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/00 |
| CPCs | CPC B64C11/006 |
| Family year | 1911 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19245377 |
| INPADOC family ID | 5201619 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 5 |
