US Trademark Classification US21 Household and kitchen utensils 牙刷盒（021-4572） Class 21 牙刷盒 021-4572 Chinese 牙刷盒 English Tooth brush cases Term ID 021-4572 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 2019-02-14 Version 11-2019