Patent classifications
A
HUMAN NECESSITIES
Load children
A63
SPORTS; GAMES; AMUSEMENTS
Load children
A63C
SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
Load children
2203/00
Special features of skates, skis, roller-skates, snowboards and courts
Load children Filter patents View analytics View as hierarchy