Patent AT-1909-40038

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Patent family descending from Patent AT-1909-40038

Year filed 1909
Year granted 1909
Office AT
Patent number 40038
Inventors Wilhelm Kress
Inventor country AT
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
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 1