Ex Parte VIGNA et al - Page 7




              Appeal No. 2001-0684                                                                                      
              Application No. 09/205,668                                                                                


              predominant part of the central portion of the electrically insulating region as recited in               
              independent claim 1.  Appellants argue that the examiner has not set forth a prima                        
              facie case of obviousness.  (See brief at page 7.)  We agree with appellants that the                     
              examiner has not shown that either Wollesen or Chittopeddi teaches all of the elements                    
              as claimed or the combination would have fairly suggested the invention as claimed.                       
              Therefore, we cannot sustain the rejection of independent claims 1 and 23 and their                       
              respective dependent claims.                                                                              



















                                                    CONCLUSION                                                          



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