11 Apparatus, installations and systems for heating or cooling in, or of, yarn and thread, clothing, footwear, headwear, textile goods, bed cloths, blankets, beddings, mattresses, pillows and cushions and parts and fittings therefore, namely, electrically heated clothing, electrically cooled clothing, electric blankets for household purposes; Apparatus, installations and systems for heating or cooling in, or of, clothing in the nature of battery-operated electrically heated clothing, footwear and headwear, namely, jackets, coats, rain suits, gloves, pants, tights, shorts, shirts, pullovers, jerseys, athletic base layers in the nature of sports bras, undershirts, boxer shorts, leggings, long johns; temperature controllers for regulating temperature sold as an integral part of electrically heated clothing and electrically cooled clothing; portable electrical heating or cooling units, namely, portable electric heaters and portable electric coolers; electrically heated, or cooled products, comprised of an apparatus for electrically heating and cooling yarn and thread, clothing, footwear, headwear, textile goods, bed cloths, blankets, beddings, mattresses, pillows and cushions, not for medical purposes, sold as an integral part of electric clothing warmers, electric footmuffs, pocket warmers and hand warmers in the nature of electric clothing warmers, chemically-activated heating packets for warming hands