| D318328 |
Triple baffle tile for fixed heater for oil refineries
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| Patent Drawings: | |
| Inventor: |
Brennan, et al. |
| Date Issued: |
July 16, 1991 |
| Application: |
07/208,395 |
| Filed: |
June 17, 1988 |
| Inventors: |
Brennan; Martin F. (Calumet City, IL)
Cutshall; Ronald L. (Chicago Heights, IL)
Groenewold; Frank L. (South Holland, IL)
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| Assignee: |
Amoco Corporation (Chicago, IL) |
| Primary Examiner: |
Gandy; John M. |
| Assistant Examiner: |
Lichtenstein; Lisa |
| Attorney Or Agent: |
Tolpin; Thomas W.Magidson; William H.Medhurst; Ralph C. |
| U.S. Class: |
D23/393; D25/138 |
| Field Of Search: |
D23/393; D23/386; D23/387; D25/113; D25/138; D25/114; D25/152; D25/155; 52/180; 52/177; 52/738; 52/302; 52/333; 52/663; 126/147; 126/151; 126/148 |
| International Class: |
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| U.S Patent Documents: |
58660; D253968; D256158; D261031; D273998; 2706109; 3498015; 4506483; 4565044 |
| Foreign Patent Documents: |
2136472; 2143556 |
| 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 middleof page.. |
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| Abstract: |
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| Claim: |
The ornamental design for a triple baffle tile for fixed heater for oil refineries, as shown. |
| 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.
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