#USPTO: 01.15.18 - Teardrops (more than a single drop), Raindrops (more than a single drop), multiple drops (rain, tear, etc.), More than one drop including teardrops or raindrops #Zwei Kreise, einer in dem anderen #USPTO: 26.01.09 - Geometric figures, objects, humans, plants or animals forming or bordering the perimeter of a circle., Circles having plants as a border, Circles having animals as a border, Circles having objects as a border, Circles having humans as a border, Circles having geometric figures as a border #USPTO: 26.01.28 - Miscellaneous circular designs with an irregular circumference, Circles with irregular circumferences