Patent GB-1909-20897

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  • Inventor locations: Wahlen at 4 Karl-Strasse, Dusseldorf, DE ; Schreiner at 9 Charlotten Strasse, Dusseldorf
  • patent agent: Marks & Clerk

Sources


Year filed 1909
Year granted 1909
Office GB
Patent number 20897
Inventors Jacob Wahlen, Josef Schreiner
Inventor country DE, DE
Applicant person Jacob Wahlen, Josef Schreiner
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in Flying Machines
English title Improvements in flying machines
Tech fields
Filing date September 13, 1909
Full specification filed date
Application number 190920897D
Grant date September 13, 1910
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
IPCs IPC B64C39/00
CPCs CPC B64C39/00, CPC B64C2700/6295
Family year 1909
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 23587569
INPADOC family ID 11082017
Number of text pages 3
Number of diagram pages 3
Number of figures 5
Number of claims 8