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

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
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.

Referenced Cited
U.S. Patent Documents
D210725 April 1968 Lo Turco
3757856 September 1973 Kun
4125151 November 14, 1978 Hays et al.
4240257 December 23, 1980 Rakowsky et al.
D276263 November 6, 1984 Armbruster
4718601 January 12, 1988 Chike
4835882 June 6, 1989 Dongelmans
D303285 September 5, 1989 Mongeau
4896411 January 30, 1990 Dempsey
4898148 February 6, 1990 Urso
5024267 June 18, 1991 Yamaguchi et al.
5147200 September 15, 1992 Knöpfel et al.
5313808 May 24, 1994 Scuderi
Patent History
Patent number: D483454
Type: Grant
Filed: May 16, 2002
Date of Patent: Dec 9, 2003
Inventors: Randall L. Coy (Tulsa, OK), Joe E. Sumter, Jr. (Claremore, OK)
Primary Examiner: Brian N. Vinson
Attorney, Agent or Law Firm: Donald R. Schoonover
Application Number: 29/160,585
Classifications
Current U.S. Class: Heat Exchange Unit, E.g., Coil, Etc. (D23/323)
International Classification: 2304;