USD312957SExpiredUtility

Door lock having a code-setting dial

32
Assignee: HUANG YAR-SHINGPriority: Sep 23, 1988Filed: Sep 23, 1988Granted: Dec 18, 1990
Est. expirySep 23, 2008(expired)· nominal 20-yr term from priority
Inventors:Yar-Shing Huang
32
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a door lock having a code-setting dial, as shown and described.

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