Patent FR-1908-391488
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Patent family descending from Patent GB-1908-4769
- Patent GB-1908-4769 (English title: Improvements in aerial propellers and air-propelling screw fans)
- Patent FR-1908-391488 (English title: Improved propeller for aerial machines, also usable for ventilation and other purposes, Supplementary to patent: Patent GB-1908-4769, National tech categories: FR 6.4)
- Inventor location:
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1908 |
|---|---|
| Year granted | 1908 |
| Office | FR |
| Patent number | 391488 |
| Inventors | Sidney Herbert Hollands |
| Inventor country | GB |
| Applicant person | Sidney Herbert Hollands |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Dispositif perfectionné de propulseur pour machines aériennes, applicable également à la ventilation et autres buts analogues |
| English title | Improved propeller for aerial machines, also usable for ventilation and other purposes |
| Tech fields | aerial propeller |
| Filing date | June 19, 1908 |
| Full specification filed date | |
| Application number | 391488D |
| Grant date | August 31, 1908 |
| Granted? | Yes |
| Publication date | November 2, 1908 |
| Supplementary to patent | Patent GB-1908-4769 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | |
| CPCs | CPC B64C11/18 |
| Family year | 1908 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19211014 |
| INPADOC family ID | 5290453 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
