Ex parte BROWN - Page 8



          Appeal No. 95-3684                                                          
          Application 08/110,273                                                      


          Krauss teaches or suggests a means for regulating temperature               
          or a delivery means including a first and second pump of                    
          different pumping capacity.  Thus, the Examiner has failed to               
          show that the prior art suggested the desirability of the                   
          Examiner's proposed modification.  We are not inclined to                   
          dispense with proof by evidence when the proposition at issue               
          is not supported by a                                                       




          teaching in a prior art reference or shown to be 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 claim 1 under U.S.C. � 102 or the rejection of                 
          claims 2 through 23 under 35 U.S.C.    � 103.  Accordingly,                 
          the Examiner's decision is reversed.                                        
                                     REVERSED                                         



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