Ex parte HALL et al. - Page 6




          Appeal No. 1998-1426                                                        
          Application No. 08/315,350                                                  


          (Paper No. 19, filed November 10, 1997) and supplemental reply              
          brief (Paper No. 23, filed September 17, 1999) for the                      
          arguments thereagainst.                                                     
                                       OPINION                                        
               In reaching our decision in this appeal, we have given                 
          careful consideration to the appellants' specification and                  
          claims, to the applied prior art references, and to the                     
          respective positions articulated by the appellants and the                  
          examiner.  As a consequence of our review, we make the                      
          determinations which follow.                                                
               Regarding the examiner’s rejection of independent claims               
          1, 12 and 17 under 35 U.S.C. § 103(a) as being unpatentable                 
          over Durkop in view of Bliss, we refer to appellants'                       
          arguments (brief, pages 8-11; reply brief, pages 2-4; and                   
          supplemental reply brief, pages 2-7), and note our agreement                
          with appellants' view that the above ground cryogenic storage               
          tank of Bliss and the below ground fuel storage tank of Durkop              
          are entirely different in design, purpose and operation from                
          each other, and that both are far removed from appellants'                  
          field of endeavor involving an above ground hazardous material              
          storage tank.  Moreover, even if one skilled in the art would               
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