011511, 011525, 020505, 020524, 020919, 090501, 090510, 160103, 210325, 241713, 260317, 261107 - Bubbles, foamy masses. Other natural phenomena and observable events. Boy(s). Stylized children, including children depicted in caricature form. Humans playing games or engaged in other sports. Caps, including visors, military caps and baseball caps. Men's narrow-brimmed hats, including fedoras and derbies. Radio or television apparatus, including radios, televisions and projection screens. Other sporting articles including gymnastic apparatus, face masks, scuba masks, diving boards, badminton shuttlecocks, punching bags, hockey pucks. Musical symbols, including treble and bass clef symbols, sharp and flat symbols and notes. Concentric ovals and ovals within ovals. Rectangles with a decorative border, including scalloped, ruffled and zig-zag edges.