Patent FR-1912-450854
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Subject matter is rather similar to Patent GB-1912-25861 (filed only two weeks later) but this is not quite the same invention, has different illustrations, etc. (See also FR414607 on espacenet; more could be sorted out here.)
Sources
Original patent document and bibliography entry on espacenet
| Year filed | 1912 |
|---|---|
| Year granted | 1913 |
| Office | FR |
| Patent number | 450854 |
| Inventors | Joseph de Coster |
| Inventor country | BE |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Dispositif destiné à l'éclairage des automobiles, motocyclettes, vélos, aéroplanes, canots, dirigeables, etc. |
| English title | Lighting of automobiles, motorcycles, bicycles, airplanes, boats, dirigibles, etc. |
| Tech fields | electricity, electronics, battery, airplane, LTA |
| Filing date | 1912-10-28 |
| Full specification filed date | |
| Application number | |
| Grant date | 1913-01-29 |
| Granted? | 1 |
| Publication date | 1913-04-05 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | de Bongé |
| Assigned to | |
| National tech categories | FR 12.5 |
| IPCs | IPC H02K11/23 |
| CPCs | CPC H02K11/23 |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 9 |
| Number of claims |
