US Trademark Classification US15 Musical instruments Erhu bows Class 15 Erhu bows 015-2407 二胡弓 Chinese 二胡弓 English Erhu bows Spanish Arcos Erhu Term ID 015-2407 Class 15 Type Goods Status Active · added, not since modified (A) Effective date 2019-08-08 Version 11-2019