Patent AT-1909-40038

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Year filed 1909
Year granted 1909
Office AT
Patent number 40038
Inventors Wilhelm Kress
Inventor country AT
Inventor location
Applicant person Wilhelm Kress
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Flugmaschine
English title Flying machine emphasizing adjustable propellers aiding both in propulsion and ascension
Tech fields Airplane, Propellers, Sustentation, Helicopter, Hybrid, Propulsion, Ascension, Design
Filing date 1909-02-23
Full specification filed date
Application number
Grant date 1909-07-15
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 77d
IPCs
CPCs
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 1