US Trademark Classification US28 Toys, games and sporting goods 弓弦（028-912） Class 28 弓弦 028-912 Chinese 弓弦 English Bowstrings Spanish Cuerdas de arco Term ID 028-912 Class 28 Type Goods Status Active · added, not since modified (A) Effective date 2004-07-20 Version 08-2002