Ex parte PAUL A. HUMMEL - Page 5

          Appeal No. 96-2653                                                          
          Application No. 08/395,681                                                  

          itself.  See Smithkline Diagnostics, Inc. v. Helena Laboratories            
          Corp., 859 F.2d 878, 882, 8 USPQ2d 1468, 1472 (Fed. Cir. 1988).             

               Our review of independent claim 1 reveals that it is drawn             
          to a vibration isolator grommet capable of preassembly with a               
          workpiece and cooperative with a workpiece supporting structure             
          to limit compression of an elastomeric element of the grommet and           
          requires, inter alia, a compression limiting metal sleeve having            
          a cylindrical portion with a radially outwardly extending flange            
          at one end thereof, and an annular elastomeric element having a             
          radially outwardly extending flange portion at one end thereof              
          underlying the flange on the sleeve and a cylindrical portion               
          with an inside diameter complementary to the outside diameter of            
          the cylindrical portion of the sleeve so as to be acceptable                
          thereover in a slidable frictional fit, the elastomeric element             
          having a radially inwardly extending portion at the opposite end            
          of the cylindrical portion thereof from the flange portion                  
          thereon initially underlying the cylindrical portion of said                
          sleeve but movable radially outwardly upon axial advancement of             
          the sleeve relative to the elastomeric element to lock the                  
          grommet in the aperture in a workpiece.  The length of the                  
          cylindrical portion of the metal sleeve is related to the length            

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