Patent FR-1912-448639
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File:FR448639A-4.jpg Original page 4
Sources
- Original patent document and bibliography entry on espacenet
- Original via Espacenet
(Regarding "number of claims", this particular patent has quite a number of peculiarities specified formally within claim number 2.)
(vocabulary of interest ; ballonnet, étrésillon)
- Inventor location: Germany
| Year filed | 1912 |
|---|---|
| Year granted | 1912 |
| Office | FR |
| Patent number | 448639 |
| Inventors | Eduard Born, Otto Beitlich, Max Proescholdt |
| Inventor country | DE, DE, DE |
| Applicant person | Eduard Born, Otto Beitlich, Max Proescholdt |
| Applicant firm | DE |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Ballon dirigeable |
| English title | Dirigible balloon |
| Tech fields | balloon, dirigible, construction, frame, propulsion, navigation |
| Filing date | September 24, 1912 |
| Full specification filed date | |
| Application number | 1912-09-24 |
| Grant date | December 2, 1912 |
| Granted? | Yes |
| Publication date | February 5, 1913 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | H. Bœttcher fils |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64B1/00 |
| CPCs | CPC B64B1/00 |
| Family year | 1912 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19266924 |
| INPADOC family ID | 5336444 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 2 |
