USD258271SExpiredUtility

Box blank

73
Assignee: MANVILLE FOREST PRODPriority: Jul 31, 1978Filed: Jul 31, 1978Granted: Feb 17, 1981
Est. expiryJul 31, 1998(expired)· nominal 20-yr term from priority
Inventors:Vernard S. BoothBilly W. Oswalt
73
PatentIndex Score
11
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1
Claims

Claims

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

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