USD251361SExpiredUtility
Box blank
Individually held — no corporate assignee on recordPriority: Apr 14, 1977Filed: Apr 14, 1977Granted: Mar 20, 1979
Est. expiryApr 14, 1997(expired)· nominal 20-yr term from priority
Inventors:Gary L. Adreon
74
PatentIndex Score
16
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a box blank, substantially as shown and described.
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