USD437769SExpiredUtility

Combination lock

50
Assignee: YANG YAO-KUNPriority: May 8, 2000Filed: May 8, 2000Granted: Feb 20, 2001
Est. expiryMay 8, 2020(expired)· nominal 20-yr term from priority
Inventors:Yao-Kun Yang
50
PatentIndex Score
7
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a “combination lock”, as shown and described.

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