Ex parte VON WEISSENFLUH et al. - Page 5




          Appeal No. 98-2888                                                          
          Application No. 29/044,927                                                  


          several distinct differences between it and the claimed                     
          design.  As the appellants have pointed out, the Wooster                    
          dental disk holder has two sleeves (6 and 8) mounted on the                 
          handle (1), with all three components being of different                    
          diameters, as opposed to the single sleeve on the handle of                 
          the claimed design.  In addition, the Wooster design includes               
          a disk (6a) on the distal end of the sleeve, which is not                   
          present in the claimed design, and its disk holding portion                 
          (2) is bowl-shaped, as opposed to the angular one of the                    
          claimed design.  In our opinion, these differences cause the                
          design characteristics of the Wooster dental disk holder not                
          to be basically the same as the claimed design.                             
               Moreover, even assuming, arguendo, that Wooster were                   
          considered to be a Rosen reference, it is our view that the                 
          teachings of the two references would not have suggested the                
          application of the features of DuBe to the Wooster design, for              
          to do so would require wholesale revision of the Wooster                    
          design.  One of the two sleeves would have to be discarded,                 
          along with the annular disk.  And, the curved disk support                  
          would have to be replaced with one having an angular                        


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