Class 021
Houseware and Glass Products
Class 022
Ropes, Cordage and Fiber Products
Class 023
Yarns and Threads
Glass fibers; Glass fiber reinforcement; Fiber glass strands, threads, roving and yarn; Untwisted fiberglass yarn; Fiberglass composite framing materials for windows and doors; Glass fiber strand, mats, sheets, rolls, and semifinished fiber glass reinforced plastic forms for use in the further fabrication of goods; Glass fibers, glass strands, glass rovings, and glass mats all used to reinforce plastics; blast resistant fiberglass panels.