Cylindrical storage tank

- Convault, Inc.
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Description

FIG. 1 is a front, right side perspective view of a cylindrical storage tank showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 4 is a right side elevational view, the left side elevational view being a mirror image; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D207693 May 1967 Haug et al.
D233752 November 1974 Scheffler
D353437 December 13, 1994 Getty et al.
1281528 October 1918 Davis
5249698 October 5, 1993 Cruver et al.
5564588 October 15, 1996 Reese
Other references
  • Butler Butt-Welded Storage Tanks catalog, Oil burner tank #60V, p. 45, 1939. Ace Tank & Equipment Co., Seattle, WA. Literature re FuelSafe.TM. tank (Mar. 20, 1991). Highland Tank & Mfg. Co. Plots showing dimensions of 12,000-gal and 6000-gal tanks (Dec. 3, 1993). LRS, Inc., South El Monte, CA. Bulletin showing Fuelmaster.RTM. above-ground fuel systems Apr., 1991). Service Welding and Machine Co., Inc., Louisville, KY. Advertisement for Permatanks.RTM. tank (Sep./Oct., 1995). Simplx, Inc., Springfield, Il. Literature re FuelSafe.TM. tank (1992). Hallmark Tank Vault III. Advertisement for tank. Aug. 1994.
Patent History
Patent number: D387847
Type: Grant
Filed: Sep 30, 1996
Date of Patent: Dec 16, 1997
Assignee: Convault, Inc. (Denair, CA)
Inventors: David C. Wadlington (Gilbert, AZ), Mark Schack (Gilbert, AZ), G. Clinton Brookhart, Jr. (Littleton, CO), David P. Harris (Fruitland Park, FL), Thomas R. Lindquist (Denair, CA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Townsend and Townsend and Crew LLP
Application Number: 0/60,501
Classifications
Current U.S. Class: Cylindrical (D23/205); Storage Tank (D23/202)
International Classification: 2301;