USD393906SExpiredUtility
Construction block faces
Individually held — no corporate assignee on recordPriority: Mar 7, 1997Filed: Mar 7, 1997Granted: Apr 28, 1998
Est. expiryMar 7, 2017(expired)· nominal 20-yr term from priority
Inventors:Lawrence W. Sumerlin
25
PatentIndex Score
3
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for construction block faces (front and rear), as shown and described.
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