USD401836SExpiredUtility

Combination lock

36
Assignee: CHUANG LING-YU HUANGPriority: Nov 4, 1997Filed: Nov 4, 1997Granted: Dec 1, 1998
Est. expiryNov 4, 2017(expired)· nominal 20-yr term from priority
Inventors:Ling-Yu Chuang
36
PatentIndex Score
5
Cited by
4
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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