US Trademark Classification US08 Hand tools and implements 老茧锉（008-788） Class 08 老茧锉 008-788 Chinese 老茧锉 English Callus rasps Spanish Raspadores de callos Term ID 008-788 Class 08 Type Goods Status Active · added, not since modified (A) Effective date 2001-06-01 Version 07-1997