AT 77b

Classe/Klasse 77: Sport, Spiele, Volksbelustigung, Luftschiffahrt

77b: Spiele, meaning games

A toy airplane with classic hand-turned 'rubber band' propulsion was classified as 77b.

Our estimates of the start year and end year can be empirical for now, and driven by data and discoveries about the Austrian laws and practices. This wiki has 3 patents in category "AT 77b".

Patents in category AT 77b

• Patent AT-1908-39930 (English title: Arrow projectile, Inventors: Richard Lehmann • Johannes Heinze, Supplementary to patent: Patent CH-1908-44848, Filing date: 1908-12-03)
• Patent AT-1909-45369 (English title: Toy Airplane, Inventors: Raimund Hengl, Filing date: 1909-09-02)
• Patent AT-1911-53967 (English title: Toy kite in the shape of an Airship, Inventors: Robert Kurt Möbius, Supplementary to patent: Patent FR-1910-422033, Filing date: 1911-06-10)

Enclosing categories	AT 77
Subcategories
Keywords	games
Start year	1901
End year	1945