USD556550SActiveUtility
Coupling self-locking hook
Est. expiryJul 24, 2026(expired)· nominal 20-yr term from priority
Inventors:Steven Hung
61
PatentIndex Score
13
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
I claim the ornamental design for a coupling self-locking hook, as shown and described.Join the waitlist — get patent alerts
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