USD253518SExpiredUtility

Carton blank

43
Assignee: ALTON BOX BOARD COPriority: Feb 4, 1977Filed: Feb 4, 1977Granted: Nov 27, 1979
Est. expiryFeb 4, 1997(expired)· nominal 20-yr term from priority
Inventors:Bruno C. Bonczyk
43
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

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

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