Casting for fireplace heat exchanger

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Description

FIG. 1 is a perspective view of a casting for fireplace heat exchanger showing our new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a side elevational view thereof, the side of the casting not shown herein is a mirror image thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D254388 March 4, 1980 Chesnut et al.
Patent History
Patent number: D260925
Type: Grant
Filed: Dec 7, 1978
Date of Patent: Sep 22, 1981
Assignee: Pacific Fireplace Furnishings, Inc. (Portland, OR)
Inventors: Thomas V. Metz (Portland, OR), W. James Sirois (Beaverton, OR)
Primary Examiner: Catherine E. Kemper
Law Firm: Chernoff & Vilhauer
Application Number: 5/967,439
Classifications
Current U.S. Class: D23/127
International Classification: D2303;