US Trademark Classification US16 Paper and stationery 纸板包装筒（016-3429） Class 16 纸板包装筒 016-3429 Chinese 纸板包装筒 English Cardboard packaging tubes Term ID 016-3429 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2023-05-18 Version 12-2023