Patent FR-1912-444553

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Year filed 1912
Year granted 1912
Office FR
Patent number 444553
Inventors Josef Hartmuth
Inventor country DE
Inventor location
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title dispositif d'hélice ou volant adapté à des jeux tels que: volants aériens à hélice, javelots, balles, flèches, etc.
English title Blade apparatus or flyer adapted to such recreations as: propeller-driven aircraft, javelins, bullets, arrows, etc.
Tech fields aerodynamics
Filing date 1912-06-03
Full specification filed date
Application number FR444553  (A)
Grant date 1912-10-21
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
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Assigned to
National tech categories FR 20.1
IPCs IPC F42B6/00
CPCs CPC F42B6/00
Family year 1912
First filing?
Cites these patents
Citations from after 1930
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INPADOC family ID
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