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US007040840B2

(12) United States Patent ao) Patent No.: Us 7,040,840 B2

Zook (45) Date of Patent: May 9,2006

(54) SEWAGE EFFLUENT DISTRIBUTION MEANS

(76) Inventor: Neal Zook, 5598 Nehrt Rd., Bloomington, IN (US) 47408

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.

(21) Appl. No.: 10/988,879

(22) Filed: Nov. 15, 2004

(65) Prior Publication Data

US 2005/0180819 Al Aug. 18, 2005

(51) Int. CI.

E02B 11/00 (2006.01)

(52) U.S. CI 405/51; 405/36; 137/395;

210/532.2; 210/170

(58) Field of Classification Search 405/36,

405/40,51; 137/395,397,399,433; 210/532.1, 210/532.2, 170, 747 See application file for complete search history.

(56) References Cited

U.S. PATENT DOCUMENTS

2,793,908 A 5/1957 Carver, Jr 299/27

3,451,554 A 6/1969 Wade 210/278

3,956,137 A 5/1976 Dempsey 210/532

4,092,995 A 6/1978 Stubenruss 137/119

4,116,216 A 9/1978 Rosenberg 137/624.13

4,313,455 A 2/1982 Pitman 137/119

4,414,109 A 11/1983 Aurthur 210/278

4,492,247 A 1/1985 Lockwood 137/119

4,614,584 A * 9/1986 Di Duca 210/422

4,632,361 A 12/1986 Callison 251/230

4,790,512 A 12/1988 Lindsay 251/129.2

5,022,426 A 6/1991 Fischer 137/119

5,118,418 A 6/1992 Roussel 210/278

5,597,264 A * 1/1997 Laak 405/36

5,647,986 A 7/1997 Nawathe et al 210/608

5,988,943 A * 11/1999 McCord 405/36

6,050,286 A 4/2000 Kruer et al 137/119.03

6,059,967 A 5/2000 Field 210/247

6,277,280 Bl 8/2001 Houck 210/616

6,345,645 Bl 2/2002 Kenna et al 137/625.11

6,622,933 Bl 9/2003 Young et al 239/66

6,749,743 Bl 6/2004 Rohrer et al 210/97

6,886,588 Bl * 5/2005 Malenfant et al 137/399

FOREIGN PATENT DOCUMENTS

JP 11014513 * 1/1999

* cited by examiner

Primary Examiner—Jong-Suk (James) Lee

(74) Attorney, Agent, or Firm—Brinks Hofer Gilson &

Lione

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