The color(s) light blue, dark blue and white is/are claimed as a feature of the mark.
"BLUE" OR THE DEPICTION OF THE MAGNETIC CORES
The mark consists of four toroidal shapes, in four different sizes, each containing dark blue sides, light blue tops with a white ring at the top of each toriodal shape, shown in perspective on the left side of the mark; the words "COOL" in light blue and "BLUE" in dark blue are on the right side of the mark.