Patent BE-1912-245127.250800

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Patent BE-1912-250800
Error creating thumbnail: File missing
Patent BE-1912-245127.250800 Joseph Hallez signature

"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
Year granted 1912
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 November 11, 1912
Full specification filed date
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Granted? Yes
Publication date
Supplementary to patent Patent BE-1912-245127
Related to aircraft? Yes
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National tech categories BE K
IPCs
CPCs
Family year 1912
First filing? No
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