Patent BE-1914-268939
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This makes French priority date reference to 1913-07-04.
« La machine volante est caractérisée essentiellement par un dispositif orthoptère comme sustentateur, comme propre au sustentateur-propulseur. »
“The flying machine is essentially characterized by an orthopter device as a lift, as specific to the lift-propeller.”
Sources
- RdBdI Tome 62, 1914, January-August
- Inventor location: rue Pelleport, 108, Paris, France
| Year filed | 1914 |
|---|---|
| Year granted | |
| Office | BE |
| Patent number | |
| Inventors | Léon Daum |
| Inventor country | FR |
| Applicant person | Léon Daum |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Machine volante |
| English title | Flying machine |
| Tech fields | orthopter, sustentation, HTA |
| Filing date | 1914-07-04 |
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| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent FR-1913-460030 |
| Related to aircraft? | 1 |
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| National tech categories | BE K |
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| Family year | 1913 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
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