Ex Parte NELSON et al - Page 3



          Appeal No. 2002-1995                                                        
          Application No. 09/071,488                                                  

               The examiner relies on the following references:                       
          Matthews                 5,432,510              Jul. 11, 1995               
          Michel et al. (Michel)   5,579,165              Nov. 26, 1996               
          Durrett        5,964,830                        Oct. 12, 1999               
                         (filed Aug. 20, 1996)                                        
               Claims 1-9, 14-18, and 21-24 stand rejected under 35 U.S.C.            
          § 103.  As evidence of obviousness, the examiner cites Michel               
          with regard to claims 1-9, 15-18, and 21-23, adding Durrett with            
          regard to claims 2, 14, 16, and 24.  The examiner further offers            
          Michel and Matthews with regard to claims 7-9, and 21-23.                   
               Reference is made to the briefs and answer for the                     
          respective positions of appellants and the examiner.                        
                                       OPINION                                        
               At the outset, we note that the invention of the instant               
          application is similar to the invention which was the subject               
          matter of our earlier decision in Application Serial No.                    
          09/071,489 (Appeal No. 2003-0167).  That decision was rendered on           
          Nov. 26, 2003.                                                              
               In rejecting claims under 35 U.S.C. § 103, it is incumbent             
          upon the examiner to establish a factual basis to support the               
          legal conclusion of obviousness.  See In re Fine, 837 F.2d 1071,            
          1073, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988).  In so doing, the               
          examiner is expected to make the factual determinations set forth           
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