USD348940SExpiredUtility

Box extrusion

85
Individually held — no corporate assignee on recordPriority: May 13, 1991Filed: May 13, 1991Granted: Jul 19, 1994
Est. expiryMay 13, 2011(expired)· nominal 20-yr term from priority
Inventors:James E. ClarkPeter Kessler
85
PatentIndex Score
28
Cited by
8
References
1
Claims

Claims

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

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