Ex parte CHOI et al. - Page 10




          Appeal No. 2000-1632                                                        
          Application No. 09/055,308                                                  


               Claim 3 depends from claim 1 and requires the first and                
          second balls to be formed of nonmagnetic material.  In rejecting            
          this claim, it appears that the examiner is mixing and matching             
          various elements from the Figures 3 and 5 embodiments of Rumsey             
          in an effort to arrive at the subject matter of this claim.                 
          This approach is improper.  In that the examiner has not                    
          persuasively established that Rumsey discloses using nonmagnetic            
          material for both the bearing balls and spheres in a single                 
          disclosed embodiment, the anticipation rejection of claim 3                 
          cannot be sustained.                                                        
               Claim 9 depends from claim 1 and adds that the sum of the              
          number of first balls and the number of second balls is an even             
          number.  In that we have found that Rumsey discloses an                     
          arrangement of plastic bearing balls and steel spheres wherein              
          the balls and spheres alternate all the way around the bearing              
          tracks, it necessarily follows that the sum of the number of                
          plastic bearing balls and the number of steel spheres would be              
          an even number.  The anticipation rejection of claim 9 therefore            
          is sustained.                                                               
          Rejections (3) and (4).                                                     


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