Heat exchanger for fireplaces

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Description

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

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
547802 October 1895 Page
4185611 January 29, 1980 Johnson
4206744 June 10, 1980 Mahoney et al.
4252106 February 24, 1981 Estes
4369626 January 25, 1983 Frankie
Patent History
Patent number: D392034
Type: Grant
Filed: Sep 11, 1996
Date of Patent: Mar 10, 1998
Inventors: Attilio Pagani (15-20067 Zoate (Prov. of Milan)), Livia Serafini Pagani (15-20067 Zoate (Prov. of Milan))
Primary Examiner: Lisa Lichtenstein
Attorneys: Guido Modiano, Albert Josif, Daniel J. O'Byrne
Application Number: 0/59,479
Classifications
Current U.S. Class: Hollow Tube Circulator With Blower Unit (D23/399); Fireplace Element Not Elsewhere Specified (D23/403)
International Classification: 2303;