USD508058SExpiredUtility

Pumping device

52
Priority: May 26, 2004Filed: May 26, 2004Granted: Aug 2, 2005
Est. expiryMay 26, 2024(expired)· nominal 20-yr term from priority
Inventors:Yue Wu
52
PatentIndex Score
7
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pumping device, as shown.

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