Bags specially adapted for protective helmets, baseball batting helmets, bicycle helmets, catchers' helmets, chin straps for football helmets, decorative and fanciful items for covering of, and for use in connection with protective helmets, excluding stickers, diving equipment, namely, helmets, diving helmets, football helmets, head-up displays for use in military and commercial aircraft, namely, fixed and helmet mounted transparent electronic displays for providing aircraft crew members with navigational and operational information, helmet safety lights, hockey helmets, motorcycle helmets, optical devices, namely, eye pieces for helmet mounted displays, protective face-shields for protective helmets, protective helmets, protective helmets for sports, riding helmets, safety helmets, safety products, namely, reflective helmet skirts, solderers' helmets, sports helmets, welding helmets
Electrical and Scientific Apparatus