USD291911SExpiredUtility

Submersible unit for mixing and aeration of industrial effluent or the like

Assignee: ITTPriority: Mar 7, 1984Filed: Sep 7, 1984Granted: Sep 15, 1987
Est. expiryMar 7, 2004(expired)· nominal 20-yr term from priority
Inventors:Hjalmar Fries
75
PatentIndex Score
14
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a submersible unit for mixing and aeration of industrial effluent or the like, as shown.

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