US Trademark Classification US07 Machinery 机器人地面清洁机（007-4885） Class 07 机器人地面清洁机 007-4885 Chinese 机器人地面清洁机 English Robotic floor cleaners Term ID 007-4885 Class 07 Type Goods Status Active · added, not since modified (A) Effective date 2025-09-11 Version 12-2025