USD423638SExpiredUtility

Aerobic treatment tank design

Assignee: AQUA PARTNERS LTDPriority: Mar 22, 1999Filed: Mar 22, 1999Granted: Apr 25, 2000

Est. expiryMar 22, 2019(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

I claim the ornamental design for a aerobic treatment tank design, as shown and described.

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