FR674823A - Perfectionnements aux hélicoptères - Google Patents

Perfectionnements aux hélicoptères

Info

Publication number: FR674823A
Authority: FR; France
Prior art keywords: helicopter training; helicopter; training
Prior art date: 1928-05-11
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

English (en)

Inventor

Arthur Cecil Nunwick

Arthur Frank Iago

Kenneth Melville Hunter

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.)

1928-05-11

Filing date

1929-05-10

Publication date

1930-02-03

1929-05-10 Application filed filed Critical

1930-02-03 Application granted granted Critical

1930-02-03 Publication of FR674823A publication Critical patent/FR674823A/fr

Status Expired legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/18—Driving mechanisms with extensible rubber bands
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H27/00—Toy aircraft; Other flying toys
- A63H27/12—Helicopters ; Flying tops

FR674823D 1928-05-11 1929-05-10 Perfectionnements aux hélicoptères Expired FR674823A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB674823X		1928-05-11

Publications (1)

Publication Number	Publication Date
FR674823A true FR674823A (fr)	1930-02-03

Family

ID=10491987

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR674823D Expired FR674823A (fr)	1928-05-11	1929-05-10	Perfectionnements aux hélicoptères

Country Status (1)

Country	Link
FR (1)	FR674823A (fr)

1929
- 1929-05-10 FR FR674823D patent/FR674823A/fr not_active Expired

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