Patent DE-1914-330543

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Note extraordinary delay because of the war example Template:Delayed


Year filed 1914
Year granted 1920
Office DE
Patent number 330543
Inventors Arthur Alexander Dashwood Lang
Inventor country GB
Applicant person Arthur Alexander Dashwood Lang
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aus Holz bestehender Propeller fuer Luftfahrzeuge mit einer elektrolytisch aufgebrachten Metallverkleidung der Fluegelenden
English title Wooden aircraft propeller with electrolytically-applied metal cladding on the wing tips
Tech fields aerial propeller, wood, coating
Filing date May 29, 1914
Full specification filed date
Application number 330543D
Grant date December 16, 1920
Granted? Yes
Publication date
Supplementary to patent Patent GB-1913-22557
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories DE 77h.2
IPCs IPC B64C11/20
CPCs CPC B64C11/205
Family year 1913
First filing? No
Cites these patents
Citations from after 1930
Application ID 10677963
INPADOC family ID 10067038
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 2