#USPTO: 06.09.08 - Arenas, indoor, Athletic fields (except stadiums and arenas), Baseball fields, Basketball courts, Bowling lanes, Courts, athletic, Diamonds, baseball, Football fields, Playing fields, Racquet ball court, Tennis courts #Andere Sportartikel, Eishockeypucks, Turngeräte und -instrumente #USPTO: 24.15.04 - Arrowheads #USPTO: 24.15.25 - Other arrows #USPTO: 26.01.31 - Circles - five or more, Five or more circles #Polygone mit Linien #USPTO: 26.07.28 - Diamond shapes (miscellaneous overall shape), Miscellaneous designs with overall diamond shape, including letters forming or comprising a diamond #USPTO: 26.09.03 - Incomplete squares, Squares, incomplete #USPTO: 26.09.21 - Squares that are completely or partially shaded #USPTO: 26.09.25 - Squares with curved sides #USPTO: 26.17.03 - Dotted line(s), Lines, dotted