Patent FR-1883-154247
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This is patent of 15 years.
Sources
- CdB (Info pertinent to 1883), p. ; p131 ; p1039
- Inventor location:
Year filed | |
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Year granted | 1883 |
Office | FR |
Patent number | 154247 |
Inventors | Frederick William Brearey |
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Applicant is inventor? | 1 |
Original title | Perfectionnements dans les appareils pour la navigation aérienne |
English title | improvements in the apparatus of aerial navigation |
Tech fields | Navigation |
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Grant date | 1883-03-12 |
Granted? | 1 |
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Supplementary to patent | |
Related to aircraft? | Yes |
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Patent agent | Dufrené |
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National tech categories | FR 6.3 |
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Family year | 1883 |
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Citations from after 1930 | |
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