Ex parte OVERTURF et al. - Page 5




          Appeal No. 1997-4219                                                        
          Application No. 08/315,745                                                  

          on a target application system program.  Thus, again, there                 
          appears to be some input from the target application system                 
          program.                                                                    
               To whatever extent there is any doubt about what the                   
          claimed “cross referencing” or “cross reference” entails, we                
          interpret the instant claim language to mean the disclosed                  
          “cross referencing,” i.e., that a contribution from both the                
          source application system and the target application system is              
          required.                                                                   


               With this interpretation in mind, we look to the applied               
          references.  The examiner appears to have interpreted the                   
          disclosed “intermediate structure” of Jack and the Common Data              
          Representation (CDR) of Pham to constitute the claimed “cross               
          referencing” or “cross reference.”                                          
               In Jack, the intermediate structure accepts information                
          from the source structure format and permits a conversion into              
          the target structure in the target format but the conversion                
          appears to be one way, i.e., the only input to the                          
          intermediate structure, or “cross referencing structure,” is                
          from the source end, with no input from the target end.  Thus,              

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