FR769909A - Improvements to helicopters and gyroplanes - Google Patents

Improvements to helicopters and gyroplanes

Info

Publication number
FR769909A
FR769909A FR769909DA FR769909A FR 769909 A FR769909 A FR 769909A FR 769909D A FR769909D A FR 769909DA FR 769909 A FR769909 A FR 769909A
Authority
FR
France
Prior art keywords
gyroplanes
helicopters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Audrey Gretchen Coats
Walton Victor D Arc Rutherford
Raoul Hafner Bruno Nagler
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR769909A publication Critical patent/FR769909A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/02Gyroplanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR769909D 1933-03-21 1934-03-10 Improvements to helicopters and gyroplanes Expired FR769909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB769909X 1933-03-21

Publications (1)

Publication Number Publication Date
FR769909A true FR769909A (en) 1934-09-04

Family

ID=10497209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769909D Expired FR769909A (en) 1933-03-21 1934-03-10 Improvements to helicopters and gyroplanes

Country Status (1)

Country Link
FR (1) FR769909A (en)

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