US Trademark Classification US16 Paper and stationery 纸质填充材料（016-3119） Class 16 纸质填充材料 016-3119 Chinese 纸质填充材料 English Stuffing materials of paper Term ID 016-3119 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2021-07-01 Version 11-2021