USD549552SExpiredUtility
Combination lock and padlock combination with opening alert device
Est. expiryMay 16, 2026(expired)· nominal 20-yr term from priority
Inventors:Chien-Chien Huang
67
PatentIndex Score
18
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
I claim the ornamental design for a combination lock and padlock combination with opening alert device, as shown and as described.Join the waitlist — get patent alerts
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