#USPTO: 02.01.33 - Grotesque men formed by letters, numbers, punctuation or geometric shapes, Stick figures #USPTO: 03.23.15 - Coronavirus, Germs, Bacteria, Amoebas, Micro-organisms, Viruses, Sperm cells, Cells of microscopic size, including sperm cells, skin cells, blood cells, platelets #USPTO: 04.07.03 - Geometric figures representing a person, Geometric shapes forming a person, Person formed by geometric shapes, Geometric figures or combinations of geometric figures representing a person #USPTO: 19.13.02 - Test tubes #USPTO: 26.01.02 - Plain single line circles, Circles, plain single line #Kreise mit Darstellungen von Himmelskörpern oder Naturphänomenen #USPTO: 26.01.29 - Helixes, DNA helix #USPTO: 26.09.21 - Squares that are completely or partially shaded #USPTO: 26.17.01 - Straight line(s), band(s) or bar(s), Bands, straight, Bars, straight, Lines, straight #USPTO: 26.17.04 - Bars, vertical, Lines, vertical, Vertical line(s), band(s) or bar(s), Bands, vertical