Patent FR-1916-492376
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- Teech class CPC B64C11/205 Constructional features for protecting blades, e.g. coating
- Inventor location:
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1916 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 492376 |
| Inventors | Louis Paulhan, Henri-Joseph-Léon-Marie de la Chevardière de la Grandville |
| Inventor country | FR |
| Applicant person | Louis Paulhan, Henri-Joseph-Léon-Marie de la Chevardière de la Grandville |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements apportés aux hélices, telles, notamment, que celles pour engins de navigation aérienne |
| English title | Improvements made to propellers, such as, in particular, those for air navigation devices |
| Tech fields | |
| Filing date | 1916-09-11 |
| Full specification filed date | |
| Application number | 492376D |
| Grant date | 1919-03-18 |
| Granted? | 1 |
| Publication date | 1919-07-05 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Paul Blum |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C11/20 |
| CPCs | CPC B64C11/205 |
| Family year | 1916 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 19309589 |
| INPADOC family ID | 5373234 |
| Number of text pages | 2 |
| Number of diagram pages | 0 |
| Number of figures | 0 |
| Number of claims | 1 |
