Ex parte AINSLIE et al. - Page 4




          Appeal No. 1996-2991                                                         
          Application 08/302,931                                                       


          appellants' view that the pattern is applied to a glass which                
          contains boron oxide (B O ) and not to some other portion of                 
                                 2 3                                                   
          the glass that does not contain this compound.  As to                        
          independent claim 10, this claim clearly requires spacially                  
          modulating a portion of the recited glass which contains B O .               
                                                                     2 3               
               As to the merits of the rejection of these two                          
          independent claims under 35 U.S.C. § 102, we note that                       
          beginning with the title of the Legoubin's article, the                      
          claimed grating is formed in the core of the germanosilicate                 
          fiber.  Note also the end of the second paragraph at column 2                
          at page 1945 and the conclusion recited at the middle of the                 
          second column at page 1946 of this reference.  The teachings                 
          of this reference are clear and consistent with appellants'                  
          arguments that the core of the fiber is doped with germanium                 
          oxide (GeO ), whereas the cladding is doped with boron (B) in                
                    2                                                                  
          part.  Page 1946, column 1, under Experimental results.                      
          Inasmuch as it is clear from the noted teachings in Legoubin                 
          that the grating is formed in the core rather than in the                    
          cladding, the examiner's views to the contrary                               
          notwithstanding, since each independent claim 1 and 10 on                    
          appeal requires that the glass contain boron, there can be no                
                                           4                                           





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