USD493921SExpiredUtility
Vent for sports helmet
Assignee: ZHUHAI USA SAFETY HELMETS MFGPriority: Jan 23, 2002Filed: Nov 21, 2003Granted: Aug 3, 2004
Est. expiryJan 23, 2022(expired)· nominal 20-yr term from priority
Inventors:Qing Rong
51
PatentIndex Score
9
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a vent for sports helmet, as shown and described.
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