The color(s) light blue, blue, dark blue, purple, black, silver, gray and white is/are claimed as a feature of the mark.
The mark consists of the stylized wording "BLUE-O4", where the letters "BLUE" and "O" appear in light blue, blue, dark blue, purple and black with gray shading, the hyphen consists of a sideways water droplet in blue and black with gray shading, and the number "4" is subscript in white inside a gray circle with light blue and gray shading. All of the foregoing elements appear against a silver background. The rectangular shape of the background is not part of the mark.
BLUE O 4
Trademark: 85196847
