#USPTO: 01.15.02 - Sparks (jagged lines), Lightning, Electricity #USPTO: 02.01.33 - Stick figures, Grotesque men formed by letters, numbers, punctuation or geometric shapes #USPTO: 04.07.03 - Person formed by geometric shapes, Geometric shapes forming a person, Geometric figures or combinations of geometric figures representing a person, Geometric figures representing a person #Verbindungen von Rohren oder von Röhren, Schleusen #Ein Kreis #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 objects as a border, Circles having humans as a border, Circles having geometric figures as a border, Circles having animals as a border #Kreise mit kreisförmig angeordneten Inschriften #USPTO: 26.17.01 - Straight line(s), band(s) or bar(s), Bands, straight, Bars, straight, Lines, straight #USPTO: 26.17.06 - Bars, diagonal, Diagonal line(s), band(s) or bar(s), Lines, diagonal, Bands, diagonal