Patent AT-1906-23465

From Inventing aviation
Jump to: navigation, search


  • espacenet
  • Original via Espacenet
  • Inventor location: Oberaltstadt near Trautenau, Bohemia (at the time part of the Austrian or Austro-Hungarian Empire)
  • Inventor occupation:
Year filed 1905
Year granted 1905
Office AT
Patent number 23465
Inventors Ignaz Etrich, Franz Xaver Wels
Inventor country AT, AT
Applicant person Ignaz Etrich, Franz Xaver Wels
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Flugmaschine
English title Flying machine
Tech fields propeller, propulsion, construction, frame
Filing date March 3, 1905
Full specification filed date
Application number ATD23465
Grant date October 1, 1905
Granted? Yes
Publication date March 10, 1906
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories AT 77d
Family year
First filing? No
Number of citations
Cited by
Application ID
Number of text pages 5
Number of diagram pages
Number of figures 14
Number of claims 9