USD620553SActiveUtility

Service valve

56
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIPriority: Mar 13, 2008Filed: Mar 13, 2008Granted: Jul 27, 2010
Est. expiryMar 13, 2028(~1.6 yrs left)· nominal 20-yr term from priority
Inventors:Jianjun LiYukuan Shan
56
PatentIndex Score
13
Cited by
11
References
1
Claims

Claims

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

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