Ribbed underground storage tank

- A. K. Industries
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Description

FIG. 1 is a perspective view of a ribbed underground storage tank illustrating my new design;

FIG. 2 is a front elevational view of the ribbed underground storage tank shown in FIG. 1, the left, right and rear elevational views being mirror images;

FIG. 3 is a top plan view of the ribbed underground storage tank shown in FIGS. 1 and 2; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D305259 December 26, 1989 Granberg et al.
D353436 December 13, 1994 Hess
3990600 November 9, 1976 Rossitto et al.
4715513 December 29, 1987 Shelton
4718208 January 12, 1988 Fons
Patent History
Patent number: D397763
Type: Grant
Filed: Aug 18, 1997
Date of Patent: Sep 1, 1998
Assignee: A. K. Industries (Plymouth, IN)
Inventor: Stephen A. Sabo (South Bend, IN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Baker & Daniels
Application Number: 0/75,383
Classifications
Current U.S. Class: Underground Type (e.g., Septic Tank, Etc.) (D23/203)
International Classification: 2301;