USD380560SExpiredUtility
Three faceted broken front face of a retaining wall block
Assignee: KEYSTONE RETAINING WALL SYSTEMS INCPriority: May 21, 1992Filed: May 21, 1992Granted: Jul 1, 1997
Est. expiryMay 21, 2012(expired)· nominal 20-yr term from priority
Inventors:Paul J. Forsberg
99
PatentIndex Score
161
Cited by
59
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design of a three faceted broken front face of a retaining wall block, as shown and described.
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