USD521630SExpiredUtility

Vent for a block wall

68
Individually held — no corporate assignee on recordPriority: Mar 18, 2005Filed: Mar 18, 2005Granted: May 23, 2006
Est. expiryMar 18, 2025(expired)· nominal 20-yr term from priority
Inventors:John J. Achen
68
PatentIndex Score
16
Cited by
47
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       An ornamental design for a vent for a block wall, as shown and described.

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