USD310267SExpiredUtility

Retaining wall block

80
Individually held — no corporate assignee on recordPriority: Apr 7, 1989Filed: Apr 7, 1989Granted: Aug 28, 1990
Est. expiryApr 7, 2009(expired)· nominal 20-yr term from priority
Inventors:Philip A. Zeidman
80
PatentIndex Score
27
Cited by
4
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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