Patent AU-1914-14892

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System of adjustable planes for airplane (or hypothetically other aircraft) intended to allow variation of the surface area, camber, and angle of attack, for the purpose of regulating speed.

  • Inventor location: 355 Post Office Place, Melbourne, Victoria
  • Inventor occupation: Engraver
  • Witness: G.R. Cullen
  • Inventor's signature at the end of text dated 1915-09-20 (two months before filing date)

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Year filed 1914
Year granted 1914
Office AU
Patent number 14892
Inventors Charles Arthur Wragg
Inventor country AU
Inventor location
Applicant person Charles Arthur Wragg
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in aeroplanes
English title Aeroplane
Tech fields airplane, airfoil, camber, speed, wings, design, landing, angle of attack
Filing date 1914-11-20
Full specification filed date 1915-09-20
Application number
Grant date 1915-11-20
Granted? 1
Publication date 1915-11-30
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Clem. A. Hack
Assigned to
National tech categories AU 90.3, AU 90.5
IPCs
CPCs
Family year 1914
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 5
Number of diagram pages 1
Number of figures 16
Number of claims 16