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Publication numberUSD335337 S
Publication typeGrant
Application numberUS 07/525,477
Publication dateMay 4, 1993
Filing dateMay 18, 1990
Publication number07525477, 525477, US D335337 S, US D335337S, US-S-D335337, USD335337 S, USD335337S
InventorsTimothy J. Shellenberger
Original AssigneeRheem Manufacturing Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Heat exchanger for fuel fired furnaces
US D335337 S
Abstract  available in
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  1. The ornamental design for a heat exchanger for fuel fired furnaces, as shown and described.

FIG. 1 is a front perspective view of the heat exchanger for fuel fired furnaces;

FIG. 2 is a right side elevational view thereof, which is a mirror image of its left side elevational view;

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 by
Citing PatentFiling datePublication dateApplicantTitle
US6938688Nov 19, 2002Sep 6, 2005Thomas & Betts International, Inc.Compact high efficiency clam shell heat exchanger
U.S. ClassificationD23/330