USD623514SActiveUtility

Cardboard box

64
Assignee: DU KUNWENPriority: May 25, 2009Filed: Nov 25, 2009Granted: Sep 14, 2010
Est. expiryMay 25, 2029(~2.8 yrs left)· nominal 20-yr term from priority
Inventors:Kunwen DuZiqiang XinKunwu Du
64
PatentIndex Score
16
Cited by
11
References
1
Claims

Claims

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

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