Patent FR-1913-451950
Jump to navigation
Jump to search
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: Seine, France
| Year filed | 1912 |
|---|---|
| Year granted | 1913 |
| Office | FR |
| Patent number | 451950 |
| Inventors | Constant Crouzat |
| Inventor country | FR |
| Applicant person | Constant Crouzat |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Hélice orthoptère |
| English title | Helicopter blade |
| Tech fields | Propulsion, Lift, helicopter |
| Filing date | 1912/02/24 |
| Full specification filed date | |
| Application number | 451950D |
| Grant date | 1913/05/02 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C27/605 |
| CPCs | CPC B64C27/605 |
| Family year | 1912 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19270167 |
| INPADOC family ID | 5339235 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | |
| Number of claims |
