010905, 011511, 011517, 020101, 020131, 020137, 020701, 020704, 021125, 100701, 130113, 150701, 1603 - Atoms or molecular models. Bubbles, foamy masses. Thought or speech clouds either empty or with wording and/or punctuation. Heads, portraits, busts of men not in profile. Stylized men, including men depicted in caricature form. Heads, portraits or busts of men in profile. Groups of males. Adults and children, including family groups. Other parts of the human body. Syringes. Electric lightbulbs, flashbulbs, fluorescent tubes. Cog wheels (wheels with teeth), gears, several wheels in juxtaposition. Binoculars, opera glasses, telescopes, microscopes. Watches, including bracelet watches and pocket watches. Other receptacles for laboratory use, including beakers. Envelopes of all sizes. Prize ribbons. Other arrows. Circles touching or intersecting. Five or more circles. Plain single line squares. Straight line(s), band(s) or bar(s). Vertical line(s), band(s) or bar(s). Horizontal line(s), band(s) or bar(s). Geometric figures forming letters or numerals, including punctuation. Representations of human beings or parts of human beings forming letters or numerals, including punctuation. Representations of objects forming letters or numerals, including punctuation.