Portable collapsible triangularly-shaped heat exchanger...

Details Portable collapsible triangularly-shaped heat exchanger... Portable collapsible triangularly-shaped heat exchanger...

2002-05-16

2003-12-09

Vinson, Brian N. (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Domestic water heater or boiler

Design Patent

active

D0483454

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

REFERENCES:
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patent: 4835882 (1989-06-01), Dongelmans
patent: D303285 (1989-09-01), Mongeau
patent: 4896411 (1990-01-01), Dempsey
patent: 4898148 (1990-02-01), Urso
patent: 5024267 (1991-06-01), Yamaguchi et al.
patent: 5147200 (1992-09-01), Knöpfel et al.
patent: 5313808 (1994-05-01), Scuderi

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