Combined heat exchanger and fireplace grate

- Liberty Foundry Co.

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Description

FIG. 1 is a perspective view of a combined heat exchanger and fireplace grate showing my new design;

FIG. 2 is a top plan view of the front section thereof;

FIG. 3 is an enlarged elevational view of the left end cap thereof;

FIG. 4 is an enlarged cross sectional view taken on line 4--4 of FIG. 2;

FIG. 5 is an enlarged cross sectional view taken on line 5--5 of FIG. 2;

FIG. 6 is an enlarged cross sectional view taken on line 6--6 of FIG. 2;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front elevational view of the grate section thereof;

FIG. 9 is a rear elevational view of the left front section thereof; and

FIG. 10 is a rear elevational view of the right front section thereof.

Referenced Cited
U.S. Patent Documents
D228728 October 1973 Bergstrom
D240536 July 1976 Christophel
D242543 November 1976 Betenbaugh, Jr.
D242544 November 1973 Betenbaugh, Jr.
D243184 January 25, 1977 Solinski
3901212 August 1975 Stites
3945369 March 23, 1976 Adams et al.
Patent History
Patent number: D249358
Type: Grant
Filed: Nov 18, 1976
Date of Patent: Sep 12, 1978
Assignee: Liberty Foundry Co. (St. Louis, MO)
Inventor: Richard W. Mellow, Jr. (Ladue, MO)
Primary Examiner: James R. Largen
Attorney: Philip B. Polster
Application Number: 5/742,901
Classifications
Current U.S. Class: D23/93
International Classification: D2303;