Patent BE-1911-235815
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Sources
- At present the data we have on this patent is limited and based on that drawn from a French descendant patent.
- This is an extremely rare instance in which a patent, filed in one nation, makes reference, not only by the filing date, but by the patent number, of the same invention's being filed earlier with another nation's patent office.
- To get to this patent, we probably have to return to Brussels.
Patent family descending from Patent BE-1911-235815
- Patent BE-1911-235815 (English title: Wing-valves for aeroplanes, Filing date: 1911-05-20, National tech categories: BE K)
- Patent FR-1912-444426 (English title: Wing-valves for aeroplanes, Supplementary to patent: Patent BE-1911-235815, Filing date: 1912-05-20, National tech categories: FR 6.4)
| Year filed | 1911 |
|---|---|
| Year granted | |
| Office | BE |
| Patent number | 235815 |
| Inventors | Jean-Jérôme-Paul le Grand-Pétrot |
| Inventor country | FR |
| Inventor location | |
| Applicant person | Jean-Jérôme-Paul le Grand-Pétrot |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Ailettes-soupapes d'aéroplanes |
| English title | Wing-valves for aeroplanes |
| Tech fields | airplane, wings, valve, control, lift, design, aerodynamics, winglets |
| Filing date | 1911/05/20 |
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| Application number | |
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| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
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| National tech categories | BE K |
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| Family year | 1911 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
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