US Trademark Classification US25 Clothing, footwear and headwear 羊毛袜（025-452） Class 25 羊毛袜 025-452 Chinese 羊毛袜 English Woollen socks Spanish calcetines de lana Term ID 025-452 Class 25 Type Goods Status Active · added, not since modified (A) Effective date 2004-07-20 Version 08-2002