Patent FR-1909-418936.13067
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Minimal bibliographic data and no original on espacenet. This patent is known from Patent FR-1909-418936.14556 to be the first certificat d'addition to Patent FR-1909-418936, concerning the use of compressed gas to facilitate ascension of heavier-than-air craft.
Years filed/granted must be in the 1909–1911 range.
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| Office | FR |
| Patent number | 418936.13067 |
| Inventors | Marcel Belin, Barthélemy Jabouley, Paul Guery |
| Inventor country | FR |
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| Original title | Procédé pour donner aux appareils plus lourds que l'air une certaine force ascensionnelle et dispositif permettant de le réaliser |
| English title | Method and mechanism for creating ascensional force in heavier-than-air apparatus |
| Tech fields | method, heavier-than-air, ascension, propulsion, takeoff |
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| Related to aircraft? | 1 |
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| IPCs | IPC B64D27/04 |
| CPCs | CPC B64D27/04 |
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