USD711509SActiveUtility

Aeration butterfly valve

55
Individually held — no corporate assignee on recordPriority: Dec 26, 2012Filed: Dec 26, 2012Granted: Aug 19, 2014
Est. expiryDec 26, 2032(~6.4 yrs left)· nominal 20-yr term from priority
Inventors:David E. Sisk
55
PatentIndex Score
8
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for the aeration butterfly valve, as shown and described.

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