Patent FR-1880-132944
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| Year filed | |
|---|---|
| Year granted | 1880 |
| Office | FR |
| Patent number | 132944 |
| Inventors | Clément Ader |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Système d'avertisseur téléphonique sans pile, à signal visible (addition to 132944) |
| English title | system of coinless telephone, with visible signal |
| Tech fields | telephones |
| Filing date | |
| Full specification filed date | |
| Application number | |
| Grant date | 1880-01-15 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | No |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1880 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
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Sources
- Cdbi1880, p41, d.XXVII
- Original patent document and bibliography entry on espacenet
- on google patents
he later makes aircraft
- Inventor location:
