USD300253SExpiredUtility

Retaining wall block

98
Assignee: KEYSTONE RETAINING WALL SYSTEMS INCPriority: Jun 6, 1988Filed: Jun 6, 1988Granted: Mar 14, 1989
Est. expiryJun 6, 2008(expired)· nominal 20-yr term from priority
Inventors:Paul J. Forsberg
98
PatentIndex Score
74
Cited by
38
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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