USD678475SActiveUtility

Butterfly valve handle extension

59
Individually held — no corporate assignee on recordPriority: May 3, 2011Filed: May 3, 2011Granted: Mar 19, 2013
Est. expiryMay 3, 2031(~4.8 yrs left)· nominal 20-yr term from priority
Inventors:David E. Sisk
59
PatentIndex Score
10
Cited by
28
References
1
Claims

Claims

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

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