FR20391E - Helicopter flying machine - Google Patents

Helicopter flying machine

Info

Publication number
FR20391E
FR20391E FR20391A FR20391DA FR20391E FR 20391 E FR20391 E FR 20391E FR 20391 A FR20391 A FR 20391A FR 20391D A FR20391D A FR 20391DA FR 20391 E FR20391 E FR 20391E
Authority
FR
France
Prior art keywords
flying machine
helicopter flying
helicopter
machine
flying
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
FR20391A
Other languages
French (fr)
Inventor
Edmond Douheret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EDMOND DOUHERET
Original Assignee
EDMOND DOUHERET
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 by EDMOND DOUHERET filed Critical EDMOND DOUHERET
Application granted granted Critical
Publication of FR20391E publication Critical patent/FR20391E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR20391A 1915-04-19 1916-12-21 Helicopter flying machine Expired FR20391E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR478440T 1915-04-19
FR20391T 1916-12-21

Publications (1)

Publication Number Publication Date
FR20391E true FR20391E (en) 1917-11-28

Family

ID=1361456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20391A Expired FR20391E (en) 1915-04-19 1916-12-21 Helicopter flying machine

Country Status (1)

Country Link
FR (1) FR20391E (en)

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