USD528657SExpiredUtility
Oxygen carrying backpack
Individually held — no corporate assignee on recordPriority: Nov 19, 2004Filed: Nov 19, 2004Granted: Sep 19, 2006
Est. expiryNov 19, 2024(expired)· nominal 20-yr term from priority
55
PatentIndex Score
11
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an oxygen carrying backpack, as shown and described.Join the waitlist — get patent alerts
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