#USPTO: 02.11.10 - Skulls, human, Human skeletons, parts of skeletons, bones, skulls, Bones, human #USPTO: 02.11.11 - Human skull and crossbones (poison symbol), Poison symbol (skull and crossbones) #USPTO: 09.05.04 - Tri-cornered hats #Other toilet articles, other cosmetic or toilet products, sanitary towels, toothpicks, hairdryers  Note: Not including sponges (11.7.1) and packaging (cases, tubes, bottles, etc. containing cosmetic or toilet products classified in divisions 19.3 or 19.7. #USPTO: 10.07.01 - Needles, syringes (medical), Syringes, hypodermic, Hypodermic syringe #USPTO: 11.07.25 - Switchblade, Scalpels, Pocket knives, Paring knives, Meat choppers and grinders, meat choppers (knives), Butcher knives, Knives, kitchen (with pointed ends), Knives, folding, Cleaver, Carving knives (kitchen), non-electric, Knives, pocket #Greek cross, St. Andrew's cross #Circles containing other figurative elements #Circles containing inscriptions arranged in circular form #USPTO: 26.01.30 - Four circles, Circles, exactly four circles #USPTO: 26.09.03 - Squares, incomplete, Incomplete squares #USPTO: 26.09.09 - Squares made of geometric figures, objects, humans, plants or animals #USPTO: 26.09.21 - Squares that are completely or partially shaded #USPTO: 26.09.25 - Squares with curved sides #USPTO: 26.09.28 - Square shapes (miscellaneous overall shape), Miscellaneous designs with overall square shape