Patent attributes
A football helmet has a rigid plastic football helmet shell with a single raised plateau in the crown portion of the shell extending from the front portion, over the crown portion, toward the back portion. The raised plateau has a left border and a right border. The left border is composed of a plurality of segments and extends continuously from the front portion, over the crown portion, toward the back portion. The segments of the left border including at least a first segment and second segment, which meet to form an angle. A non-circular first ventilation hole through the shell has at least a first side, a second side, and a third side, and is positioned at the angle, such that the first side is adjacent to the first segment and the second side is adjacent to the second segment. The first segment extends beyond the first ventilation hole by a first distance at least as long as the first side and the second segment extending beyond the first ventilation hole by a second distance at least as long as the second side.
