FR520044A - Perfectionnements aux ballons dirigeables - Google Patents

Perfectionnements aux ballons dirigeables

Info

Publication number
FR520044A
FR520044A FR520044A FR520044DA FR520044A FR 520044 A FR520044 A FR 520044A FR 520044 A FR520044 A FR 520044A FR 520044D A FR520044D A FR 520044DA FR 520044 A FR520044 A FR 520044A
Authority
FR
France
Prior art keywords
airships
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
FR520044A
Other languages
English (en)
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.)
Goodyear Tire and Rubber Co
Original Assignee
Goodyear Tire and Rubber Co
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 Goodyear Tire and Rubber Co filed Critical Goodyear Tire and Rubber Co
Application granted granted Critical
Publication of FR520044A publication Critical patent/FR520044A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64B—LIGHTER-THAN AIR AIRCRAFT
    • B64B1/00—Lighter-than-air aircraft
    • B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
    • B64B1/64—Gas valve operating mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR520044A 1918-07-20 1920-07-09 Perfectionnements aux ballons dirigeables Expired FR520044A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US520044XA 1918-07-20 1918-07-20

Publications (1)

Publication Number Publication Date
FR520044A true FR520044A (fr) 1921-06-18

Family

ID=21974785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520044A Expired FR520044A (fr) 1918-07-20 1920-07-09 Perfectionnements aux ballons dirigeables

Country Status (1)

Country Link
FR (1) FR520044A (fr)

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