USD554471SActiveUtility

Combination lock with backup key

55
Assignee: ALLOY METAL MANUFACTORY LTDPriority: Jul 28, 2006Filed: Jul 28, 2006Granted: Nov 6, 2007
Est. expiryJul 28, 2026(expired)· nominal 20-yr term from priority
Inventors:Yat Hung Ho
55
PatentIndex Score
11
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a combination lock with backup key, as shown and described.

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