USD249068SExpiredUtility
Interlocking wall unit
Individually held — no corporate assignee on recordPriority: May 5, 1975Filed: May 5, 1975Granted: Aug 22, 1978
Est. expiryMay 5, 1995(expired)· nominal 20-yr term from priority
Inventors:Milton A. Wallace
10
PatentIndex Score
0
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for interlocking wall unit, as shown and described.
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