USD205870S - Heat exchanger - Google Patents

Description

United States Patent 0 Ice 9% 205,87"

Patented Sept. 27, 1966 HEAT EXCHANGER Wilkes E. Hill, 10 Summit St., Erie, Pa.

Filed Oct. 14, 1965, Ser. No. 87,474

Term of patent 14 years (Cl. D62-4) FIG. 1 is a top plan view of the heat exchanger embodying my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a top plan view of a modified form of heat exchanger embodying my new design;

FIG. 5 is a side elevational view of the FIG. 4 embodiment;

FIG. 6 is a front elevational view of the FIG. 4 embodiment.

Des. 205,870

PAGE 2 I claim: The ornamental design for a heat exchanger, substantially as shown and described.

References Cited by the Examiner UNITED STATES PATENTS D. 178,518 8/1956 Hoyle D673 D. 180,667 7/1957 Mancusi D8121 2,965,360 12/1960 Brown 165175 X A. HUGO WORD, Acting Primary Examiner.

JAMES R. LARGEN, Assistant Examiner.

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