USD297574SExpiredUtility

Wall block

97
Assignee: KEYSTONE RETAINING WALL SYSTEMS INCPriority: Jun 2, 1986Filed: Jun 2, 1986Granted: Sep 6, 1988
Est. expiryJun 2, 2006(expired)· nominal 20-yr term from priority
Inventors:Paul J. Forsberg
97
PatentIndex Score
64
Cited by
30
References
1
Claims

Claims

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

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