Patent FR-1868-81688
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- Brevet d'invention de 15 ans
- Inventor location: Canteleu (Seine-Inférieure)
- Inventor occupation: Gas factory engineer
Sources
- SMIP
- INPI.fr advanced research site http://bases-brevets19e.inpi.fr/Thot/FrmFicheDoc.asp?idfiche=0277628&refFiche=0156779
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1868 |
|---|---|
| Year granted | |
| Office | FR |
| Patent number | 81688 |
| Inventors | Lesourd |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | direction des ballons-aérostats |
| English title | balloon steering |
| Tech fields | navigation, balloon |
| Filing date | 1868-07-20 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 5 |
| IPCs | |
| CPCs | |
| Family year | 1868 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
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