US Trademark Classification US21 Household and kitchen utensils 地板粘毛滚（021-4506） Class 21 地板粘毛滚 021-4506 Chinese 地板粘毛滚 English Lint rollers for floors Term ID 021-4506 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 2018-07-26 Version 11-2018