011506, 011517, 021114, 150503, 150504, 150701, 160108, 160301, 180501, 200305, 200308, 240101, 2601 - Clouds, fog. Thought or speech clouds either empty or with wording and/or punctuation. Hands and fingers forming the following: handshake, finger pointing, fingers walking, OK sign, and thumbs up or thumbs down. Desktop computers, laptop computers and computer monitors. PDAs, printers and other computer devices including tape drives, CPUs, mainframes and servers, excluding computer mouse. Cog wheels (wheels with teeth), gears, several wheels in juxtaposition. Telephones. Cameras, including motion picture cameras; photographic lenses. Automobiles. Other cards, such as index cards, punched cards (computer cards), bar code labels, postcards, credit cards, greeting cards. Graph paper, diagrams, blueprints, the periodic table. Shields or crests (plain) with neither a figurative element nor an inscription contained therein or superimposed thereon. Letters, numerals, punctuation, geometric figures, objects, humans, plants or animals comprising a circle. Circles touching or intersecting. Circles within a circle. Circles that are totally or partially shaded. Helixes. Three or more quadrilaterals. Quadrilaterals that are completely or partially shaded. Quadrilaterals with one or more curved sides.