Patent Publication Number: US-D958946-S

Title: Heat exchanger

Description:
FIG. 1  is a front, left side and top perspective view of a heat exchanger comprising a new, original and ornamental design; 
         FIG. 2  is a front view thereof; 
         FIG. 3  is a rear view thereof; 
         FIG. 4  is a left side view thereof; 
         FIG. 5  is a right side view thereof; 
         FIG. 6  is a top view thereof; 
         FIG. 7  is a bottom view thereof; 
         FIG. 8  is a front, left side and top perspective view of the heat exchanger in accordance with a second embodiment; 
         FIG. 9  is a front view thereof; 
         FIG. 10  is a rear view thereof; 
         FIG. 11  is a left side view thereof; 
         FIG. 12  is a right side view thereof; 
         FIG. 13  is a top view thereof; 
         FIG. 14  is a bottom view thereof; 
         FIG. 15  is a front, left side and top perspective view of the heat exchanger in accordance with a third embodiment; 
         FIG. 16  is a front view thereof; 
         FIG. 17  is a rear view thereof; 
         FIG. 18  is a left side view thereof; 
         FIG. 19  is a right side view thereof; 
         FIG. 20  is a top view thereof; 
         FIG. 21  is a bottom view thereof; 
         FIG. 22  is a front, left side and top perspective view of the heat exchanger in accordance with a fourth embodiment; 
         FIG. 23  is a front view thereof; 
         FIG. 24  is a rear view thereof; 
         FIG. 25  is a left side view thereof; 
         FIG. 26  is a right side view thereof; 
         FIG. 27  is a top view thereof; and, 
         FIG. 28  is a bottom view thereof. 
       The broken lines show portions of the heat exchanger that form no part of the claimed design.