Patent FR-1911-425669
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- Tech class CPC B64C11/205: Constructional features for protecting blades, e.g. coating
Parent patent dated Feb 14 1910
Patent family descending from Patent DE-1910-236694
- Patent DE-1910-236694 (English title: Wood propellers for aircraft, Filing date: 1910-02-14, National tech categories: DE 77h.6)
- Patent AT-1910-59092 (English title: Wooden propellers for aircraft, Supplementary to patent: Patent DE-1910-236694, Filing date: 1910-10-15, National tech categories: AT 77d)
- Patent FR-1911-425669 (English title: Wooden aircraft propeller, Supplementary to patent: Patent DE-1910-236694, Filing date: 1911-02-04, National tech categories: FR 6.4)
- Patent GB-1911-3727 (English title: Improvements in propellers for airships and flying-machines, Supplementary to patent: Patent DE-1910-236694, Filing date: 1911-02-14)
- Patent HU-1911-56392 (English title: Wood Propeller for aircraft, Supplementary to patent: Patent DE-1910-236694, Filing date: 1911-03-13, National tech categories: HU V/h)
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR425669A on google patents
| Year filed | 1911 |
|---|---|
| Year granted | 1911 |
| Office | FR |
| Patent number | 425669 |
| Inventors | |
| Inventor country | DE |
| Inventor location | |
| Applicant person | |
| Applicant firm | Borrmann and Kaerting |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Hélice en bois pour aéroplanes et dirigeables |
| English title | Wooden aircraft propeller |
| Tech fields | propellers, subsystem, wood, dirigibles, airplane |
| Filing date | 1911-02-04 |
| Full specification filed date | |
| Application number | 425669D |
| Grant date | 1911-04-11 |
| Granted? | 1 |
| Publication date | 1911-06-16 |
| Supplementary to patent | Patent DE-1910-236694 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | L. Chassevent |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/20 |
| CPCs | CPC B64C11/205 |
| Family year | 1910 |
| First filing? | 0 |
| Cites these patents | Patent DE-1910-236694 |
| Citations from after 1930 | 0 |
| Application ID | 19244441 |
| INPADOC family ID | 5317288 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 1 |
