USD298463SExpiredUtility

Retaining wall block

99
Assignee: KEYSTONE RETAINING WALL SYSTEMS INCPriority: Jun 8, 1987Filed: Jun 8, 1987Granted: Nov 8, 1988
Est. expiryJun 8, 2007(expired)· nominal 20-yr term from priority
Inventors:Paul J. Forsberg
99
PatentIndex Score
130
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a retaining wall block, as shown and described.

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