Patent FR-1910-418774
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A conical metal cap for propellers
Inventor location: France (Seine)
Sources
- {{esp|FR|418774A espacenet]
| Year filed | 1910 |
|---|---|
| Year granted | 1910 |
| Office | FR |
| Patent number | 418774 |
| Inventors | Ambroise Goupy |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements aux appareils aériens augmentant le rendement de propulsion et diminuant la résistance à la pénétration |
| English title | Improvements to aircraft increasing propulsive efficiency and reducing resistance to penetration |
| Tech fields | propeller, aerodynamics |
| Filing date | July 29, 1910 |
| Full specification filed date | |
| Application number | 418774D |
| Grant date | December 19, 1910 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Armengaud jeune |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/14 |
| CPCs | CPC B64C11/14 |
| Family year | 1910 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19237702 |
| INPADOC family ID | 5311493 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims |
