Patent FR-1868-81621.1
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As usual, in the cases of additions, relative to parent patents, this early, though archives.inpi.fr usually has multiple entries, they are "redundant", in the sense that the number of page images are the same on all the appropriate entries, the gestalt being one large document.
- Brevet d'invention de 15 ans
- Inventor location: Paris (10, rue Croix-des-Petits-Champs, Seine)
Sources
- Subject-matter Index of Patents for Invention, France, 1791-1876 Inclusive * Aerial Screw Navigator
- Bibliographic record of this patent at archives.inpi.fr
| Year filed | 1868 |
|---|---|
| Year granted | |
| Office | FR |
| Patent number | 81621 |
| Inventors | Pierre-Jean-Auguste Hilst |
| Inventor country | FR |
| Inventor location | Paris, Seine |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | navigateur aérien à hélice avec ballons et gouvernails, dirigeable à volonté |
| English title | Propeller air-ship with balloons and rudders, navigable in flight |
| Tech fields | propulsion, navigation, propeller, balloons, airship, LTA, rudder |
| Filing date | 1868-11-04 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent FR-1868-81621 |
| Related to aircraft? | Yes |
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| National tech categories | FR 6 |
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| Family year | 1868 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
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