Ex parte CHRISTENSON - Page 5




          Appeal No. 97-1175                                         Page 5           
          Application No. 08/383,361                                                  


                                       OPINION                                        
               In reaching our decision in this appeal, we have given                 
          careful consideration to the appellant's specification and                  
          claims, to the applied prior art references, and to the                     
          respective positions articulated by the appellant and the                   
          examiner.  Upon evaluation of all the evidence before us, it                
          is our conclusion that the evidence adduced by the examiner is              
          sufficient to establish obviousness with respect to the claims              
          under appeal.  Accordingly, we will sustain the examiner's                  
          rejection of claims 3, 8, 11 to 14 and 16 to 20 under 35                    
          U.S.C.                                                                      
          § 103.  Our reasoning for this determination follows.                       


               The test for obviousness is what the combined teachings                
          of the references would have suggested to one of ordinary                   
          skill in the art.  See In re Young, 927 F.2d 588, 591, 18                   
          USPQ2d 1089, 1091 (Fed. Cir. 1991) and In re Keller, 642 F.2d               
          413, 425, 208 USPQ 871, 881 (CCPA 1981).  Moreover, in                      
          evaluating such references it is proper to take into account                
          not only the specific teachings of the references but also the              
          inferences which one skilled in the art would reasonably be                 







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