Ex parte AHRENS - Page 7




          Appeal No. 1998-1053                                                        
          Application No. 07/974,832                                                  


          these claims.  Accordingly, we will sustain the examiner's                  
          rejection of claims 35 through 37 under 35 U.S.C. § 112,                    
          second paragraph.                                                           


          Before turning to the examiner's rejections of the claims                   
          on appeal based on prior art, we note that it is an essential               
          prerequisite that the scope and content of the claimed subject              
          matter be fully understood prior to the application of prior                
          art thereto.  Accordingly, we focus our attention on                        
          appellant's other claims on appeal (i.e., other than claims 35              
          through 37 treated above) to derive an understanding of the                 
          scope and content thereof.                                                  


               Independent claims 1, 5, 10, 11 and 24 include the step                
          of "measuring parameters determinative of the density and                   
          pressure of the foamed furnish," claim 14 sets forth a step of              
          "measuring the density and the pressure of said flow of foamed              
          furnish," claim 30 recites the step of "directly measuring the              
          density and the pressure of the foamed furnish," while                      
          independent claims 26, 27, 28 and 29, set forth a step of                   
          "measuring parameters directly determinative of density and                 
                                          7                                           





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