USD657918SActiveUtility
Protective mask
Est. expiryAug 12, 2031(~5 yrs left)· nominal 20-yr term from priority
Inventors:Shih-Min Lee
72
PatentIndex Score
24
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a protective mask, as shown and described.
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