US Trademark Classification US16 Paper and stationery 水彩调色盘（016-3575） Class 16 水彩调色盘 016-3575 Chinese 水彩调色盘 English Watercolor palettes Term ID 016-3575 Class 16 Type Goods Status Active · added, not since modified (A) Effective date 2024-03-21 Version 12-2024