Patent Publication Number: US-D616072-S

Title: Rigid pipe coupling

Description:
FIG. 1  is an isometric view of our design for a rigid pipe coupling; 
       FIG. 2  is a front view of the design for a rigid pipe coupling shown in  FIG. 1 , the rear view being identical; 
       FIG. 3  is a top view of the design for a rigid pipe coupling shown in  FIG. 1 ; 
       FIG. 4  is a bottom view of the design for a rigid pipe coupling shown in  FIG. 1 ; and, 
       FIG. 5  is a left side view of the design for a rigid pipe coupling shown in  FIG. 1 , the right side view being identical. 
     The broken lines in  FIGS. 1–5  are for illustrative purposes only and form no part of the claimed design.