US Trademark Classification US41 Education and entertainment 乒乓球教学服务（041-2881） Class 41 乒乓球教学服务 041-2881 Chinese 乒乓球教学服务 English Table tennis instruction services Term ID 041-2881 Class 41 Type Services Status Active · added, not since modified (A) Effective date 2025-06-12 Version 12-2025