Patent FR-1869-84301
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- Brevet d'invention de 15 ans
- Inventor location: Bayonne (6, rue Marengo, Basses-Pyrénées)
Sources
| Year filed | 1869 |
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| Office | FR |
| Patent number | 84301 |
| Inventors | Bertrand |
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| Applicant is inventor? | No |
| Original title | moteur aérhydromonique par l'ascension de l'air ou du vide dans l'eau, ou par la loi naturelle d'attraction des corps légers hors du centre terrestre et vers leurs milieux de densité |
| English title | Aero-hydromonique system via air ascension or water vacuum, or by natural attraction law of light bodies beyond the ground center and towards those of heavier density |
| Tech fields | Lift, propulsion |
| Filing date | February 26, 1869 |
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| Granted? | No |
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| Related to aircraft? | Yes |
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| National tech categories | FR 2 |
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| First filing? | No |
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