Ex parte KAHLE et al. - Page 9




          Appeal No. 96-2607                                                          
          Application 08/001,865                                                      


          proposition at issue is not                                                 
          supported by a teaching in a prior art reference or common                  
          knowledge of unquestionable demonstration.  Our reviewing                   
          court requires this evidence in order to establish a prima                  
          facie case.  In re Knapp-Monarch Co., 296 F.2d 230, 232, 132                
          USPQ 6, 8 (CCPA 1961); In re Cofer, 354 F.2d 664, 668, 148                  
          USPQ 268, 271-72 (CCPA 1966).                                               


               We have not sustained the rejection of claims 1 through                
          10 under 35 U.S.C. § 103.  Accordingly, the Examiner's                      
          decision is reversed.                                                       
                                     REVERSED                                         




                   JAMES D. THOMAS                )                                  
                    Administrative Patent Judge    )                                  
                                                  )                                   
                                                  )                                   
                                                  )   BOARD OF PATENT                 
                    KENNETH W. HAIRSTON            )     APPEALS AND                  


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