Ex parte KNAPP et al. - Page 6




          Appeal No. 1998-0127                                                        
          Application No. 08/609,670                                                  


          1992).  If that burden is met, the burden then shifts to the                
          applicant to overcome the prima facie case with argument                    
          and/or evidence.  Obviousness is then determined on the basis               
          of the evidence as a whole and the relative persuasiveness of               
          the arguments.  See Id.; In re Hedges, 783 F.2d 1038, 1039,                 
          228 USPQ 685, 686 (Fed. Cir. 1986); In re Piasecki, 745 F.2d                
          1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984); and In re                   
          Rinehart, 531 F.2d 1048, 1052, 189 USPQ 143, 147 (CCPA 1976).               
          Only those arguments actually made by appellants have been                  
          considered in this decision.  Arguments which appellants could              
          have made but chose not to make in the brief have not been                  
          considered [see 37 CFR    § 1.192(a)].                                      
          Abare teaches an electrical tape tensioner for                              
          connecting a paper tray which is movable towards and away from              
          a copier to the mainframe of the copier.  The examiner                      
          acknowledges that Abare does not teach the claimed spring                   
          system having a substantially constant force or the partially               
          open sided C-shaped cable guide and protective channel member.              
          With respect to the latter feature, the examiner cites Kunkle               
          as teaching a cable releasing and retracting system having a                
          partially open sided C-shaped cable guide and protective                    
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