USD462438SExpiredUtility
Anti-mouth breathing apparatus
Est. expiryAug 17, 2021(expired)· nominal 20-yr term from priority
Inventors:Tadaharu Masuda
22
PatentIndex Score
4
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an anti-mouth breathing apparatus, as shown and described.
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