Ex parte WESSELINK et al. - Page 3




                 Appeal No. 96-1083                                                                                                                     
                 Application 08/150,099                                                                                                                 


                 1976                                                                                                                                   
                 Flasck et al. (Flasck)                                4,842,378                           Jun. 27, 1989                                
                 Hartai                                                5,041,762                           Aug. 20, 1991                                
                                   Claims 1 through 3, 5 and 9 through 14  stand                                                                        
                 rejected under 35 U.S.C. § 103 .  As evidence of obviousness,2                                                                                
                 the Examiner offers Hartai, Verstegen and Flasck [answer, page                                                                         
                 2].                                                                                                                                    
                                   Reference is made to Appellants' briefs  and the                      3                                              
                 Examiner's answer for their respective positions.                                                                                      
                                                                     OPINION                                                                            
                                   We have carefully considered the entire record                                                                       
                 before us, and we will reverse the obviousness rejection of                                                                            
                 claims 1 through 3, 5 and 9 through 14.                                                                                                
                                   The Examiner has failed to set forth a prima facie                                                                   
                 case of obviousness.  It is the burden of the Examiner to                                                                              
                 establish why one having ordinary skill in the art would have                                                                          
                 been led to the claimed invention by the express teachings or                                                                          

                          2The rejection of these claims under 35 U.S.C. § 112,                                                                         
                 second paragraph has been withdrawn [Advisory Action mailed on                                                                         
                 Apr. 5, 1995, paper no. 13].                                                                                                           
                          3A “Supplemental to Appeal Brief” was filed on Nov. 25,                                                                       
                 1997.  However, it merely supplied the missing formalities in                                                                          
                 the Appeal Brief and did not change the arguments presented in                                                                         
                 the Brief.                                                                                                                             
                                                                         -3-                                                                            





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