USD330224SExpiredUtility
Folding frame for signs
Individually held — no corporate assignee on recordPriority: Aug 8, 1990Filed: Aug 8, 1990Granted: Oct 13, 1992
Est. expiryAug 8, 2010(expired)· nominal 20-yr term from priority
Inventors:Alton R. Melcher
18
PatentIndex Score
0
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a folding frame for signs, as shown and described.
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