Patent FR-1913-474329

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Year filed 1913
Year granted 1914
Office FR
Patent number 474329
Inventors Léon Dangy
Inventor country FR
Inventor location
Applicant person Léon Dangy
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Appareil lumineux à parachute permettant aux aviateurs d'éclairer et de reconnaitre les terrains pendant la nuit
English title Illumintaing apparatus with parachute allowing aviators to cast light and observe terrain at night
Tech fields Illumination, Parachutes, Military
Filing date 1913-11-20
Full specification filed date
Application number
Grant date 1914-11-21
Granted? 1
Publication date 1915-02-17
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent J.-P. Bonnicart
Assigned to
National tech categories FR 6.4
IPCs IPC F42B10/56
CPCs CPC F42B10/56
Family year 1913
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims