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
17/00
Roller skates; Skate-boards
Load children Filter patents View analytics View as hierarchy
A63C17/14
with brakes, e.g. toe stoppers, freewheel roller clutches
Load children Filter patents View analytics View as hierarchy
A63C17/1409
contacting one or more of the wheels
Load children Filter patents View analytics View as hierarchy
A63C17/1427
the brake contacting other wheel associated surfaces, e.g. hubs, brake discs or wheel flanks
Filter patents View analytics View as hierarchy