Ex parte DUNBAR et al. - Page 8




          Appeal No. 1998-0560                                                        
          Application 08/527,957                                                      

          storable on disks" (EA4) since decreasing the hub diameter                  
          apparently does not affect the amount of information                        
          storage.  Obviousness requires a showing of factual                         
          evidence, not just inventing reasons for a modification.                    
               For the reasons stated above, we conclude that the                     
          Examiner has failed to establish a prima facie case of                      
          obviousness with respect to the limitation of a diameter of                 
          less than 29.0 mm, which is found in all independent claims.                
          The Yamamoto and Evans patents do not cure the deficiency of                
          Kato.  The rejections of claims 1-22 are reversed.                          
                                     REVERSED                                         






                         LEE E. BARRETT                     )                         
                         Administrative      Patent Judge   )                         
                                                       )                              
                                                       )                              
                                                       )                              
                                                       )  BOARD OF                    
          PATENT                                                                      
                         JOSEPH F. RUGGIERO            )     APPEALS                  
                         Administrative Patent Judge   )       AND                    
                                                       )   INTERFERENCES              
                                                       )                              
                                                       )                              
                                                       )                              
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