The mark is lined for the colors blue, yellow, green, and red. The stippling in the drawing is to indicate shading, some of which is present over the colors. The entire white area of the circle in the center of drawing, and the grid shown over that white area, is shaded. The circle is stippled in its upper left corner, and the grid is shaded in the upper central area to indicate the shading.
Trademark: 75545818
