The color(s) light gray, dark gray, maroon, red is/are claimed as a feature of the mark.
The mark consists of a series of four (4) overlapping three dimensional squares from left to right, the first square on the left is light gray and the second and third squares are progressively darker shades of gray. The fourth square from the left is maroon in the left portion and red in the right portion. The letters REV are maroon and in a stylized font.