USD431858SExpiredUtility
Wastewater treatment tank
Individually held — no corporate assignee on recordPriority: Mar 2, 1998Filed: Mar 2, 1998Granted: Oct 10, 2000
Est. expiryMar 2, 2018(expired)· nominal 20-yr term from priority
Inventors:Harold K. Nagato
29
PatentIndex Score
6
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a wastewater treatment tank, as shown.
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