Patent FR-1918-496352
Jump to navigation
Jump to search
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: département Seine, France
This original document makes reference to a patent numbered 98294, dated 1918-02-05, which is a very strange number, relative to the French patent system, at this point.
| Year filed | 1918 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 496352 |
| Inventors | Pierre Levasseur |
| Inventor country | FR |
| Applicant person | Pierre Levasseur |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Perfectionnement aux hélices aériennes |
| English title | Improvements in aerial propellers |
| Tech fields | propellers |
| Filing date | 1918/03/16 |
| Full specification filed date | |
| Application number | 496352D |
| Grant date | 1919/08/01 |
| Granted? | Yes |
| Publication date | 1919/11/05 |
| Supplementary to patent | 1918-98294 ? |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Armengaud jeune |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C11/00 |
| CPCs | CPC B64C11/00 |
| Family year | 1918 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19313489 |
| INPADOC family ID | 5376671 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 3 |
