High performance sewer system

Details High performance sewer system High performance sewer system

2006-09-27

2010-12-28

Upton, Christopher (Department: 1797)

Liquid purification or separation

Structural installation

Geographic

C210S192000, C210S519000, C210S532200, C210S920000, C285S133110, C285S134100, C073S040000, C137S140000

Reexamination Certificate

active

07857968

ABSTRACT:
The system comprises one or more of the following: primary treatment units, flexible pipes, and optionally, one or more pumps. The system is designed and installed in a manner that enables the flow of liquid to be predominantly due to gravity, although one or more pumps may optionally be included at key positions. The system can be sealed and pressure tested in order for optimal performance to be achieved during operation.

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Upton, C., Office Action for U.S. Appl. No. 08/778,627, filed Jan. 3, 1997, U.S. Patent and Trademark Office, Alexandria, Virginia, mailed Oct. 27, 1997.
Upton, C., Office Action for U.S. Appl. No. 08/778,627, filed Jan. 3, 1997, U.S. Patent and Trademark Office, Alexandria, Virginia, mailed Jul. 22, 1998.

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