Patent DE-1909-250960

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More or less follows Patent GB-1908-13809 by Lorenzen.

  • Inventor location: Harrow in England

Sources


Year filed 1909
Year granted 1912
Office DE
Patent number 250960
Inventors Christian Lorenzen
Inventor country GB, DE
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Flugvorrichtung mit fallschirmartig angeordneten Luftschrauben
English title Aircraft with parachute-like arrangement of airscrews
Tech fields propeller, helicopter
Filing date 1909/01/16
Full specification filed date
Application number
Grant date
Granted? Yes
Publication date 1912/09/21
Supplementary to patent Patent GB-1908-13809
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories DE 77h.6
IPCs
CPCs
Family year 1908
First filing? No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 3
Number of diagram pages 1
Number of figures 12
Number of claims 3