Ex parte WALKER - Page 8




          Appeal No. 1998-2557                                                        
          Application No. 08/335,550                                                  


          by appellant have been considered in this decision.  Arguments              
          which appellant could have made but chose not to make in the                
          brief have not been considered [see 37 CFR § 1.192(a)].                     
          Claims 21-25, 27-32 and 34-39 all contain the encoding                      
          feature discussed above with respect to claims 26 and 33.  We               
          make two critical observations with respect to the rejection                
          of these claims.  First, the examiner relies on the same                    
          incorrect interpretation of Gerard to support the conclusion                
          that the invention of these claims would have been obvious.                 
          Second, the additional teachings of Alattar alone or Alattar                
          and Sugiyama taken together do not overcome the basic                       
          deficiency in Gerard discussed above.  Therefore, the                       
          collective evidence applied by the examiner fails to establish              
          a prima facie case of the obviousness of the claimed                        
          invention.  Accordingly, we do not sustain the obviousness                  
          rejection of claims 21-25, 27-32 and 34-39.                                 
          Remaining independent claim 40 does not have the                            
          limitations discussed above with respect to claims 21-39.  The              
          examiner explains how the collective teachings of Gerard and                
          Alattar are perceived to render the invention of claim 40                   
          obvious [final rejection, pages 5-6].  Appellant argues that                
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