Patent DE-1917-307800

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Design for biplane, focused on the struts which hold up the upper plane.

Austrian priority date: 1916-11-02

  • Inventor location: Wiener-Neustadt

Sources


Year filed 1917
Year granted 1919
Office DE
Patent number 307800
Inventors Josef Zimmermann
Inventor country AT
Inventor location
Applicant person Josef Zimmermann
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Doppeldecker
English title Biplane
Tech fields biplane, airplane, Tragfläche
Filing date 1917/03/27
Full specification filed date
Application number
Grant date
Granted? Yes
Publication date 1919/12/10
Supplementary to patent Patent AT-1916-80160
Related to aircraft? Yes
Serial number
Patent agent Otto Siedentopf und Dipl.-Ing. W. Fritz, Pat.-Anwälte
Assigned to
National tech categories DE 77h.5
IPCs IPC B64C3/00
CPCs CPC B64C3/00
Family year 1916
First filing? No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures 5
Number of claims 1