USD415576SExpiredUtility
Revetment block
Individually held — no corporate assignee on recordPriority: May 21, 1998Filed: May 21, 1998Granted: Oct 19, 1999
Est. expiryMay 21, 2018(expired)· nominal 20-yr term from priority
Inventors:John M. Scales
50
PatentIndex Score
7
Cited by
14
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a revetment block, as shown and described.
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