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
19/00
Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
Load children Filter patents View analytics View as hierarchy
A63C19/10
Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
Filter patents View analytics View as hierarchy