Ex parte CAMERON et al. - Page 10

          Appeal No. 1998-1970                                                        
          Application No. 08/587,134                                                  

          during the downward stroke of the piston in the pump body of                
          Tarnawski, the force needed to move the piston entirely to the              
          bottom of its stroke is necessarily reduced.                                
               Dependent claim 14 on appeal differs from claim 13 in                  
          that claim 14 specifically requires that the piston and pump                
          body are "substantially circular in cross section and said                  
          piston has                                                                  
          a diameter which is less than a diameter of said pump body by               
          0.004 to 0.020 inches."  The Examiner has failed to point to                
          any disclosure in Tarnawski as to the relative diameters of                 
          the piston (32) and the cylindrical pump body (25), and we                  
          find none.  Therefore, we will not sustain the examiner’s                   
          rejection of claim 14 under 35 USC 102(b).                                  
               In light of the foregoing, we sustain the examiner’s                   
          rejection of claim 13 under 35 U.S.C. 102(b) and reverse the                
          examiner’s rejection of claim 14 under 35 U.S.C. 102(b) based               
          on Tarnawski.  Accordingly, the decision of the examiner is                 


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