The mark consists of a rectangle with an outline. The words "BLACK COIL" in with an outline in a stylized font. The word "SERIES" in a stylized font in capital letters stretched below the word "BLACK COIL".
021, 023, 026, 036, 038
Design plus words, letters, and/or numbers
Color is not claimed as a feature of the mark.
Rectangles that are completely or partially shaded