Ex parte TRUMMER et al. - Page 11




          Appeal No. 1997-1351                                                         
          Application 08/127,924                                                       

          infringe an applicant's right to claim what he regards as                    
          his invention.  Nevertheless, we have the rejection before                   
          us and must decide it.  It is the Examiner's burden to                       
          establish that the claim is inoperative and fails to                         
          particularly point out and distinctly claim the invention.                   
          Despite the lack of argument on the merits by Appellants, we                 
          are not persuaded that claim 19 fails to particular point                    
          out and distinctly claim what Appellants regard as their                     
          invention.                                                                   
               The Examiner does not point to any evidence that                        
          Appellants regard their invention to be something other than                 
          what is claimed.  The fact that the originally filed                         
          independent claim 1 did not include a controller or an                       
          interface module indicates the original intent to claim the                  
          system without either element.  Moreover, claim 19 does not                  
          recite any cooperation between processors that would make                    
          some structure necessary.                                                    
               As to the Examiner's contention that the interface                      
          module having a blockable coupling element is essential, the                 
          fact that such an interface module is disclosed does not                     
          necessarily render it essential or imply that the claimed                    

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