USD470551SExpiredUtility
Mask
Priority: Aug 6, 1999Filed: Aug 6, 1999Granted: Feb 18, 2003
Est. expiryAug 6, 2019(expired)· nominal 20-yr term from priority
Inventors:Chi-Chin Lin
51
PatentIndex Score
11
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a mask, as shown and described.
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