Patent BE-1914-243480.267520
This is a “perf.” (perfectionnement) brevet of “inv.” (invention) Patent BE-1912-243480, which was filed 1912-02-27. Connexions between these and the French filings of the inventors are yet to be determined.
This is also analogous to Patent FR-1914-426626.18838, which is addition to Patent FR-1911-426626.
« Le propulseur se compose d’ailerons solidaires d’axes qui tourbillonnent librement dans des bras reliés les uns aux autres et tournant autour d’un arbre principal. »
“The propeller consists of fins attached to axes which swirl freely in arms connected to each other and rotating around a main shaft.”
Sources
- RdBdI Tome 62, 1914, January-August""
- Inventor location: Both inventors were located in Paris, département Seine, France
- Patent agent location: Bruxelles
Patent agent A. Wunderlich & Cie, Ingénieurs-Conseils actually reads simply “A. Wunderlich & Cie (société anonyme)” within this RdBdI entry.
| Year filed | 1914 |
|---|---|
| Year granted | |
| Office | BE |
| Patent number | 267520 |
| Inventors | Charles Espinosa, Louis Vinay |
| Inventor country | FR, FR |
| Applicant person | Charles Espinosa, Louis Vinay |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Propulseur à attaque semi-orthogonale |
| English title | Propeller with or of semi-orthogonal attack |
| Tech fields | propellers, propulsion, design, aerodynamics |
| Filing date | 1914-05-13 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent BE-1912-243480, Patent FR-1914-426626.18838, Patent FR-1911-426626 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | A. Wunderlich & Cie, Ingénieurs-Conseils |
| Assigned to | |
| National tech categories | BE K |
| IPCs | |
| CPCs | |
| Family year | 1911 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
