US Trademark Classification US16 Paper and stationery 圆珠笔（016-1732） Class 16 圆珠笔 016-1732 Chinese 圆珠笔 English Ballpoint pens Spanish Bolígrafos Term ID 016-1732 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2007-11-15 Version 09-2007