USD515448SExpiredUtility
Power failure warning light
Est. expiryJun 10, 2025(expired)· nominal 20-yr term from priority
86
PatentIndex Score
38
Cited by
26
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
We claim the ornamental design for a power failure warning light, as shown and described.Join the waitlist — get patent alerts
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