USD264998SExpiredUtility

Louvered concrete block

27
Assignee: LINDSLEY WARREN F BPriority: Apr 11, 1980Filed: Apr 11, 1980Granted: Jun 15, 1982
Est. expiryApr 11, 2000(expired)· nominal 20-yr term from priority
Inventors:Arnold C. Siedschlag
27
PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the louvered concrete block, as shown and described.

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