USD515449SExpiredUtility
Power failure switch warning light
Est. expiryJun 10, 2025(expired)· nominal 20-yr term from priority
69
PatentIndex Score
18
Cited by
27
References
1
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Claims
exact text as granted — not AI-modifiedCLAIM
We claim the ornamental design for a power failure switch warning light, as shown and described.Cited by (0)
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