USD528222SExpiredUtility

Keystone

20
Individually held — no corporate assignee on recordPriority: Mar 23, 2005Filed: Mar 23, 2005Granted: Sep 12, 2006
Est. expiryMar 23, 2025(expired)· nominal 20-yr term from priority
Inventors:Joel S. MeadowsJoseph Meadows
20
PatentIndex Score
2
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a keystone, as shown and described.

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