Patent Publication Number: US-D922541-S

Title: Alignment sub

Description:
FIG. 1  is a front left perspective view of an alignment sub, showing an embodiment of our new design; 
         FIG. 2  is a rear right perspective view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 3  is a rear elevated view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 4  is a front elevated view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 5  is a bottom plan view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 6  is a top plan view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 7  is a left side elevated view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 8  is a right side elevated view of the alignment sub as shown in  FIG. 1 ; 
         FIG. 9  is a cross-section view of the alignment sub as shown in  FIG. 7  along line  9 - 9 ; and, 
         FIG. 10  is a cross-section view of the alignment sub as shown in  FIG. 7  along line  10 - 10 . 
       The broken lines consisting of dashes show an environment that forms no part of the claimed design. The broken lines consisting of a double-dot/dash pattern show the boundaries of the claimed design and form no part thereof.