Patent FR-1917-494660
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- Inventor location: Aisne; France
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR494660A on google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 494660 |
| Inventors | Théophile-Ascague Léleu |
| Inventor country | FR |
| Inventor location | Aisne |
| Applicant person | Théophile-Ascague Léleu |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Machine volante (hélicoptère) |
| English title | Flying machine (helicopter) |
| Tech fields | helicopter |
| Filing date | 1917/12/11 |
| Full specification filed date | |
| Application number | 494660D |
| Grant date | 1919/06/04 |
| Granted? | Yes |
| Publication date | 1919/09/16 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | None |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C27/04 |
| CPCs | CPC B64C27/04 |
| Family year | 1917 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19311827 |
| INPADOC family ID | 5375194 |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 1 |
| Number of claims | 1 |
