US Trademark Classification US21 Household and kitchen utensils 毛巾环（021-6） Class 21 毛巾环 021-6 Chinese 毛巾环 English Towel rings Spanish Anillos de toalla Term ID 021-6 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997