US Trademark Classification US16 Paper and stationery 绘图用描图针（016-3328） Class 16 绘图用描图针 016-3328 Chinese 绘图用描图针 English Tracing needles for drawing Term ID 016-3328 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2021-08-05 Version 11-2021