Three-circuit heat exchanger
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Description
Claims
The ornamental design for three-circuit heat exchanger, as shown and described.
Referenced Cited
U.S. Patent Documents
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4815534 | March 28, 1989 | Fuerschbach |
4987955 | January 29, 1991 | Bergqvist et al. |
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D597184 | July 28, 2009 | De'Longhi |
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Patent History
Patent number: D635652
Type: Grant
Filed: Apr 6, 2010
Date of Patent: Apr 5, 2011
Assignee: Swep International AB (Landskrona)
Inventor: Sven Andersson (Hassleholm)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Attorney: Merchant & Gould P.C.
Application Number: 29/359,114
Type: Grant
Filed: Apr 6, 2010
Date of Patent: Apr 5, 2011
Assignee: Swep International AB (Landskrona)
Inventor: Sven Andersson (Hassleholm)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Attorney: Merchant & Gould P.C.
Application Number: 29/359,114
Classifications