Patent BE-1912-245127.250800
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"L’aile est constituée par une partie antérieure courbe, à concavité tournée vers le bas, et par une partie postérieure plane."
That is, "The wing is constituted by a curved front part, with a concavity turned downwards, and a flat back part."
Source
RdBdI 1912
Inventor location: Brussels, Belgium
Year filed | 1913 |
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Year granted | |
Office | BE |
Patent number | 250800 |
Inventors | Joseph Hallez |
Inventor country | BE |
Applicant person | Joseph Hallez |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Aéroplanes à stabilité automatique par construction |
English title | Airplanes with automatic stability, by design |
Tech fields | airplane, wings, design, stability |
Filing date | 1912/11/11 |
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Granted? | Yes |
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Supplementary to patent | Patent BE-1912-245127 |
Related to aircraft? | Yes |
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National tech categories | BE K |
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Family year | 1912 |
First filing? | No |
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Citations from after 1930 | |
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