US D560,276 S
Heat exchanger
William A. Whittenberger, Leavittsburg, Ohio (US)
Assigned to Catacel Corp., Garrettsville, Ohio (US)
Filed on May 30, 2007, as Appl. No. 29/280,526.
Application 29/280526 is a continuation of application No. 11/225763, filed on Sep. 13, 2005.
Term of patent 14 Years
LOC (8) Cl. 23 - 04
U.S. Cl. D23—386
OG exemplary drawing
 
The ornamental design for a heat exchanger, as shown and described.