Heat exchanger for fuel fired furnaces

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Description

FIG. 1 is a front perspective view of the heat exchanger;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4164210 August 14, 1979 Hollowell
5042453 August 27, 1991 Shellenberger
5178124 January 12, 1993 Lu et al.
Patent History
Patent number: D360258
Type: Grant
Filed: Dec 10, 1993
Date of Patent: Jul 11, 1995
Assignee: Rheem Manufacturing Company (New York, NY)
Inventor: Timothy J. Shellenberger (Fort Smith, AR)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Konneker Bush Hitt & Chwang
Application Number: 0/16,201