FR680957A - Perfectionnements aux aéroports - Google Patents

Perfectionnements aux aéroports

Info

Publication number: FR680957A
Authority: FR; France
Prior art keywords: airports
Prior art date: 1928-08-30
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

Inventor

John Shearman Donaldson

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.)

1928-08-30

Filing date

1929-08-29

Publication date

1930-05-08

1929-08-29 Application filed filed Critical

1930-05-08 Application granted granted Critical

1930-05-08 Publication of FR680957A publication Critical patent/FR680957A/fr

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)

FR680957D 1928-08-30 1929-08-29 Perfectionnements aux aéroports Expired FR680957A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US680957XA	1928-08-30	1928-08-30

Publications (1)

Publication Number	Publication Date
FR680957A true FR680957A (fr)	1930-05-08

Family

ID=22080377

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR680957D Expired FR680957A (fr)	1928-08-30	1929-08-29	Perfectionnements aux aéroports

Country Status (1)

Country	Link
FR (1)	FR680957A (fr)

1929
- 1929-08-29 FR FR680957D patent/FR680957A/fr not_active Expired

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