#USPTO: 01.15.08 - Teardrop (a single drop), Single drop (rain, tear, etc.), Raindrop (a single drop) #Wellen, Schall und Mikrowellen #USPTO: 24.19.04 - Wireless communication symbol, Curved lines, bars, or wave symbol indicating mobile internet, radio, or wireless communication access or service signal #USPTO: 24.21.01 - Pins, arrows, flags, and other markers denoting electronic mapping, location, and navigation, Map pin and flag symbols used in electronic navigation, Navigation and locator marker symbols used in electronic mapping #USPTO: 26.01.02 - Plain single line circles, Circles, plain single line #USPTO: 26.03.28 - Oval shape (miscellaneous overall shape), Miscellaneous designs with overall oval shape, including amoeba-like shapes and irregular ovals #USPTO: 26.05.25 - Triangles with one or more curved sides #USPTO: 26.17.09 - Lines, curved, Curved line(s), band(s) or bar(s), Bars, curved, Bands, curved #USPTO: 26.19.03 - Cones (geometric)