US Trademark Classification US30 Staple foods, coffee, tea and confectionery 红薯派（030-3042） Class 30 红薯派 030-3042 Chinese 红薯派 English Sweet potato pies Term ID 030-3042 Class 30 Type Goods Status Active · added, not since modified (A) Effective date 2026-07-09 Version 13-2026