USD302747SExpiredUtility
Diving mask
Est. expiryApr 28, 2005(expired)· nominal 20-yr term from priority
Inventors:Seiji Hattori
86
PatentIndex Score
25
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a diving mask, as shown and described.
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