Liquid purification or separation – Gravitational separator
Reexamination Certificate
2007-02-20
2007-02-20
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Gravitational separator
C210S532100, C210S220000
Reexamination Certificate
active
11263462
ABSTRACT:
An aeration vessel for use in a aerobic wastewater treatment system, the aeration vessel comprised of a bottom section having a bottom wall and an inverted frustoconical side wall, a top section having a frustoconical side wall and a partition having an inverted frustoconical side wall, the top and bottom sections being provided with mating flanges which can be sealingly engaged, the partition being disposed in the aeration vessel formed by the first and second section.
REFERENCES:
patent: 3923656 (1975-12-01), Krebs et al.
patent: 6328890 (2001-12-01), Thibault
Alpha General Services, Inc., www.alphageneral.com, Product Catalog, including picture of Alpha 750 Septic Tanks—3 pages.
Barry Chester T.
Browning & Bushman P.C.
Bushman C. James
Jerry L. McKinney 2002 Trust
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