Technology trends
Patent search
Sign In
Sign Up
Patent classifications
A
HUMAN NECESSITIES
Load children
A63
SPORTS; GAMES; AMUSEMENTS
Load children
A63H
TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
Load children
27/00
Toy aircraft; Other flying toys
Load children
Filter patents
View analytics
View as hierarchy
A63H27/04
Captive toy aircraft
Filter patents
View analytics
View as hierarchy