USD475486SExpiredUtility
Inflatable crown liner for a protective helmet
Est. expiryJul 18, 2022(expired)· nominal 20-yr term from priority
98
PatentIndex Score
118
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an inflatable crown liner for a protective helmet, as shown and described.
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