Portable collapsible triangularly-shaped heat exchanger having upwardly-directed exhaust

Description

FIG. 1 is a perspective view of a portable collapsible triangularly-shaped heat exchanger having upwardly-directed exhaust, embodying the design of the present invention

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Claims

We claim the ornamental design for a portable collapsible triangularly-shaped heat exchanger having upwardly-directed exhaust, as shown and described.

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Inventors:	Coy; Randall L. (Tulsa, OK), Sumter, Jr.; Joe E. (Claremore, OK)
Appl. No.:	D/160,585
Filed:	May 16, 2002

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Current U.S. Class:	D23/323
Current International Class:	2304
Field of Search:	;D23/314,323,330,351 ;165/144,157,135,178,122 ;312/236 ;62/255.1,259.4,262,263

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References Cited [Referenced By]

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U.S. Patent Documents

D210725	April 1968	Lo Turco
3757856	September 1973	Kun
4125151	November 1978	Hays et al.
4240257	December 1980	Rakowsky et al.
D276263	November 1984	Armbruster
4718601	January 1988	Chike
4835882	June 1989	Dongelmans
D303285	September 1989	Mongeau
4896411	January 1990	Dempsey
4898148	February 1990	Urso
5024267	June 1991	Yamaguchi et al.
5147200	September 1992	Knopfel et al.
5313808	May 1994	Scuderi

Primary Examiner: Vinson; Brian N.
Attorney, Agent or Firm: Schoonover; Donald R.