Protective mask
Description
Claims
The ornamental design for a protective mask as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D1093747
Type: Grant
Filed: Aug 4, 2023
Date of Patent: Sep 16, 2025
Assignee: ANHUI HENGYU OPTICAL ELECTRONICS CO., LTD. (Hefei)
Inventor: Haijian Sun (Hefei)
Primary Examiner: Kimberly Barnes
Application Number: 29/909,425
Type: Grant
Filed: Aug 4, 2023
Date of Patent: Sep 16, 2025
Assignee: ANHUI HENGYU OPTICAL ELECTRONICS CO., LTD. (Hefei)
Inventor: Haijian Sun (Hefei)
Primary Examiner: Kimberly Barnes
Application Number: 29/909,425
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)