USD631562SActiveUtility

Ladder hinge

32
Assignee: GUANGZHOU HANSHENG TRADE DEV CO LTDPriority: Jun 22, 2010Filed: Jun 22, 2010Granted: Jan 25, 2011
Est. expiryJun 22, 2030(~3.9 yrs left)· nominal 20-yr term from priority
Inventors:Chunwen Han
32
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ladder hinge, as shown and described.

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