Patent FR-1916-405961.20828
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This is the fifth addition to Patent FR-1908-405961, which brevet was filed 1908-11-26.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: département Seine, France
| Year filed | 1916 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 20828 |
| Inventors | Lucien Chauvière |
| Inventor country | FR |
| Applicant person | Lucien Chauvière |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements à la construction des hélices aériennes en bois, à ailes multiples |
| English title | Improvements in the construction of wooden aerial propellers, with multiple wings |
| Tech fields | construction, design, propellers, wood, aerodynamics |
| Filing date | 1916/09/04 |
| Full specification filed date | |
| Application number | 20828D |
| Grant date | 1919/03/27 |
| Granted? | Yes |
| Publication date | 1919/07/22 |
| Supplementary to patent | Patent FR-1908-405961 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Armengaud jeune |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B27M3/10 |
| CPCs | CPC B27M3/10 |
| Family year | 1908 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 18731891 |
| INPADOC family ID | 5198095 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 1 |
