US Trademark Classification US16 Paper and stationery 走珠头笔（016-3496） Class 16 走珠头笔 016-3496 Chinese 走珠头笔 English Roller-tip pens Term ID 016-3496 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2024-03-21 Version 12-2024