USD632983SActiveUtility
Retractable chalk box
Individually held — no corporate assignee on recordPriority: Nov 19, 2009Filed: Nov 19, 2009Granted: Feb 22, 2011
Est. expiryNov 19, 2029(~3.3 yrs left)· nominal 20-yr term from priority
Inventors:John A. Moore
48
PatentIndex Score
6
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a retractable chalk box, as shown and described.
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