FR40039E - Improvements to air navigation devices - Google Patents

Improvements to air navigation devices

Info

Publication number
FR40039E
FR40039E FR40039DA FR40039E FR 40039 E FR40039 E FR 40039E FR 40039D A FR40039D A FR 40039DA FR 40039 E FR40039 E FR 40039E
Authority
FR
France
Prior art keywords
navigation devices
air navigation
air
devices
navigation
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
Thomas Augustus Dring
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 FR40039E publication Critical patent/FR40039E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/003—Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage
    • B64C39/005—Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage about a horizontal transversal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR40039D 1931-03-28 1931-03-28 Improvements to air navigation devices Expired FR40039E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR40039T 1931-03-28

Publications (1)

Publication Number Publication Date
FR40039E true FR40039E (en) 1932-03-21

Family

ID=8676367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR40039D Expired FR40039E (en) 1931-03-28 1931-03-28 Improvements to air navigation devices

Country Status (1)

Country Link
FR (1) FR40039E (en)

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