USD570492SExpiredUtility

Manhole guard

24
Individually held — no corporate assignee on recordPriority: Mar 6, 2006Filed: Mar 6, 2006Granted: Jun 3, 2008
Est. expiryMar 6, 2026(expired)· nominal 20-yr term from priority
Inventors:Richard F. Denmon
24
PatentIndex Score
2
Cited by
8
References
1
Claims

Claims

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

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