Patent FR-1868-81456
Jump to navigation
Jump to search
This patent, as found on INPI, has Dufrené listed as "mandataire".
Sources
- INPI: http://bases-brevets19e.inpi.fr/Thot/FrmFicheDoc.asp?idfiche=0277058&refFiche=0156494
- Brevet d'invention de 15 ans
- Inventor location: Paris (10, rue de la Fidélité, Seine)
| Year filed | |
|---|---|
| Year granted | 1868 |
| Office | FR |
| Patent number | 81456 |
| Inventors | André Crestadoro |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | No |
| Original title | perfectionnements aux moyens et appareils employés dans la navigation aérienne |
| English title | improvements to the means and apparatus of aerial navigation |
| Tech fields | navigation |
| Filing date | June 25, 1868 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | No |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | FR 5 |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
