Patent ES-1872-4893
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Originally solicited for 15 years, but expired due to incompletion and non-payment of fees. [Why a grant date listed here previously? Denial date?]
- Inventor location (all three): Huesca, Aragon, Spain
Sources
| Year filed | 1872 |
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| Year granted | 1872 |
| Office | ES |
| Patent number | 4893 |
| Inventors | Sixto Vilas y Rubio, Julián Bosque y Aniento, Francisco Bescos y Lascortz |
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| Applicant is inventor? | 1 |
| Original title | Aparato para dirigir los globos aerostáticos |
| English title | Apparatus for steering aerostatic balloons |
| Tech fields | LTA, navigation |
| Filing date | January 16, 1872 |
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| Grant date | 1872-04-16 |
| Granted? | No |
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| Related to aircraft? | Yes |
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| IPCs | IPC B64B |
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