Ex parte RIGOSI et al. - Page 4




          Appeal No. 96-1501                                                          
          Application No. 08/172,517                                                  


               Claims 1 through 3, 5 and 6 stand rejected under 35 U.S.C.             
          § 103 as being unpatentable over Matsumoto in view of Walker and            
          Appellants' admitted prior art.                                             
               Claim 4 stands rejected under 35 U.S.C. § 103 as being                 
          unpatentable over Matsumoto in view of Walker, Appellants'                  
          admitted prior art and Marzola.                                             
               Rather than reiterate the examiner's statement of the above            
          rejections and the conflicting viewpoints advanced by the                   
          examiner and the appellants, we refer to pages 4 through 12 of              
          the examiner's answer, to the supplemental answer, to pages 6               
          through 12 of the appellants' brief, to the reply brief, and to             
          the supplemental reply brief for the full exposition thereof.               
                                       OPINION                                        
               In arriving at our decision in this appeal, we have given              
          careful consideration to appellants' specification and claims, to           
          the applied prior art, and to the respective positions advanced             
          by the appellants and by the examiner.  Upon evaluation of all              
          the evidence before us, it is our conclusion that the evidence              
          adduced by the examiner is insufficient to establish a prima                
          facie case of obviousness with respect to all claims on appeal.             
          Our reasoning for this determination follows.                               



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