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.
Referenced Cited
U.S. Patent Documents
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D303285 | September 5, 1989 | Mongeau |
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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
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;
International Classification: 2304;