Triple baffle tile for fixed heater for oil refineries

- Amoco Corporation
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Description

FIG. 1 is a front and left side perspective view of a triple baffle tile for fixed heater for oil refineries, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof; and

FIG. 7 is a right side elevation view thereof.

Referenced Cited
U.S. Patent Documents
58660 August 1921 Clouser et al.
D253968 January 15, 1980 Bogan
D256158 July 29, 1980 Ward
D261031 September 29, 1981 Ward
D273998 May 22, 1984 Ballantine
2706109 April 1955 dman
3498015 March 1970 Seaburg et al.
4506483 March 26, 1985 Phalen, Jr.
4565044 January 21, 1986 Takahara
Foreign Patent Documents
2136472 September 1984 GBX
2143556 February 1985 GBX
Other references
  • Murray Tile Co., Heavy Duty Acid Resistant Floor Brick and Quarry Tile Booklet 874, p. 1, Conventional Grooved Back for Tiles, A, left middle of page.
Patent History
Patent number: D318328
Type: Grant
Filed: Jun 17, 1988
Date of Patent: Jul 16, 1991
Assignee: Amoco Corporation (Chicago, IL)
Inventors: Martin F. Brennan (Calumet City, IL), Ronald L. Cutshall (Chicago Heights, IL), Frank L. Groenewold (South Holland, IL)
Primary Examiner: John M. Gandy
Assistant Examiner: Lisa Lichtenstein
Attorneys: Thomas W. Tolpin, William H. Magidson, Ralph C. Medhurst
Application Number: 7/208,395