Sewage septic tank

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Description

FIG. 1 is a top view of a sewage septic tank showing our new design;

FIG. 2 is a bottom view of the tank;

FIG. 3 is a side elevational view of the tank;

FIG. 4 is an outlet end view of the tank;

FIG. 5 is an inlet end view of the tank; and,

FIG. 6 is a perspective view of the tank.

Referenced Cited
U.S. Patent Documents
D207293 March 1967 Ferm
D207294 March 1967 Ferm
D226192 January 1973 Boyd
D228459 September 1973 Estes et al.
D229053 November 1973 LeBlanc
D234461 March 1975 Piotrowski
D237179 October 1975 Laswell
2313997 March 1943 Jackson
3097166 July 1963 Monson
3662918 May 1972 Crawford et al.
3741393 June 1973 Estes et al.
4254885 March 10, 1981 Fouss et al.
4359167 November 16, 1982 Fouss et al.
4363732 December 14, 1982 Crates et al.
4709723 December 1, 1987 Sidaway et al.
4961670 October 9, 1990 McKenzie et al.
4995528 February 26, 1991 Sharp
Foreign Patent Documents
1080862 July 1980 CAX
Patent History
Patent number: D357530
Type: Grant
Filed: Dec 17, 1993
Date of Patent: Apr 18, 1995
Assignee: Union Carbide Chemicals & Plastics Technology Corporation (Danbury, CT)
Inventors: Mario Grenier (St-Bruno), Michel Poirier (Lachenaie), Serge Lacombe (Beloeil)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. Brown
Attorney: P. W. Leuzzi
Application Number: 0/16,541
Classifications
Current U.S. Class: Underground Type (e.g., Septic Tank, Etc.) (D23/203)