Patent FR-1916-478724
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The last text page seems to be missing from the espacenet scan. So we don't see an address or patent agent.
- Inventor location:
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1915 |
|---|---|
| Year granted | 1915 |
| Office | FR |
| Patent number | 478724 |
| Inventors | Armand Dufaux |
| Inventor country | FR |
| Applicant person | Armand Dufaux |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Système de montage d'une hélice, concentriquement à l'axe et autour du fuselage des aéroplanes |
| English title | System of blade mounting, concentrically to the axis and around the fuselage of aeroplanes |
| Tech fields | Propulsion, propeller |
| Filing date | 1915-04-06 |
| Full specification filed date | |
| Application number | |
| Grant date | 1915-10-07 |
| Granted? | 1 |
| Publication date | 1916-01-05 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64D27/00 |
| CPCs | CPC B64D27/00, CPC B64D2700/62763 |
| Family year | 1915 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 2 |
