US Trademark Classification US09 Scientific and electronic apparatus 防弹面罩（009-5792） Class 09 防弹面罩 009-5792 Chinese 防弹面罩 English Bullet-resistant face masks Term ID 009-5792 Class 09 Type Goods Status Active · added, not since modified (A) Effective date 2020-06-11 Version 11-2020