Combined integrally formed tank sump and lid

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Description

FIG. 1 is a perspective view of a combined integrally formed tank sump and lid showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, which is identical to the rear elevational view;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left-side elevational view thereof, which is identical to the right-side elevational view.

Referenced Cited
U.S. Patent Documents
D309308 July 17, 1990 Webb
D322970 January 7, 1992 Webb
D351602 October 18, 1994 Rosebraugh et al.
1714734 May 1929 Skidmore, Jr.
3144832 August 1964 Haynes
Patent History
Patent number: D404742
Type: Grant
Filed: Feb 12, 1998
Date of Patent: Jan 26, 1999
Assignee: Advanced Polymer Technology, Inc. (Muskegon, MI)
Inventors: Robert H. Versaw, Jr. (Muskegon, MI), James W. Mosier (Muskegon, MI), Daniel P. Nordstrom (Twin Lake, MI)
Primary Examiner: Ralf Seifert
Law Firm: Young & Basile, P.C.
Application Number: 0/83,576
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: 1502;