USD540475SExpiredUtility

Column forming block

69
Assignee: ROCKWOOD RETAINING WALLS INCPriority: Mar 17, 2006Filed: Mar 17, 2006Granted: Apr 10, 2007
Est. expiryMar 17, 2026(expired)· nominal 20-yr term from priority
Inventors:Brian A. Price
69
PatentIndex Score
16
Cited by
35
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       I claim the ornamental design for a column forming block, as shown.

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