US Trademark Classification US30 Staple foods, coffee, tea and confectionery 德式面包干（030-259） Class 30 德式面包干 030-259 Chinese 德式面包干 English Zwieback Spanish Bizcocho hecho con huevos Term ID 030-259 Class 30 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997