Patent DE-1916-320520

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Year filed
Year granted 1916
Office DE
Patent number 320520
Inventors
Inventor country DE
Applicant person
Applicant firm Rumpler-Werke G.m.b.H. in Berlin-Johannisthal
Applicant type COMPANY
Applicant is inventor? No
Original title Tragflächenholm für Flugzeuge (or "Tragflaechenholm fuer Flugzeuge")
English title Wing spar for aircraft
Tech fields construction, frame, wings
Filing date October 27, 1916
Full specification filed date
Application number 320520D
Grant date April 23, 1920
Granted? Yes
Publication date April 23, 1920
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories DE 77h.5
IPCs IPC B64C3/00
CPCs CPC B64C2700/6235, CPC B64C3/00
Family year 1916
First filing? No
Cites these patents
Citations from after 1930
Application ID 10608457
INPADOC family ID 10057593
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims 4