USD637208SActiveUtility

Airlift pump

45
Assignee: SIEMENS WATER TECH CORPPriority: Oct 14, 2008Filed: Apr 13, 2009Granted: May 3, 2011
Est. expiryOct 14, 2028(~2.2 yrs left)· nominal 20-yr term from priority
Inventors:Peter ZaunerFufang ZhaRoger William PhelpsTomasz Swiatek
45
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an airlift pump, as shown and described.

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