The mark consists of the letters "N", "F" and "S" each within a rectangle outlined in black of different sizes with the rectangle containing the "N" being white, the one containing the "F" being red and the one containing the "S" being blue. The letters "N" and "S" are black. The letter "F" is white.
Design plus words, letters, and/or numbers
The color(s) white, red, blue, and black is/are claimed as a feature of the mark.
Rectangles (three or more rectangles), Rectangles touching or intersecting, Rectangles that are completely or partially shaded