(under subclass 6.1) Aviator's helmet including an eye guard or protector which is transparent to at least a portion of the visible spectrum and is located or positionable in the aviator's line of sight.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6.7+, for a helmet having an eye shield specifically intended for use by a soldier.
15+, for an eye shield not specifically intended for use by an aviator or soldier.
424, for a guard or protector for the head having a face shield not specifically intended for use by an aviator or soldier.
SEE OR SEARCH CLASS
128, Surgery,
201.24, for a head covering with an oxygen supply.