Ex parte CHILSON - Page 9




                 Appeal No. 95-4733                                                                                                                     
                 Application No. 08/091,030                                                                                                             


                 problem or any other suggestion for the proposed combination                                                                           
                 with Okai.                                                                                                                             
                          Similarly, the examiner does not present any teaching,                                                                        
                 suggestion or motivation to support the proposed combination                                                                           
                 of Rion and Dickinson.   Rion teaches a dual coat, coherent5                                                                                              
                 ceramic layer overlying a substrate where the dual coat                                                                                
                 comprises a first coat of an amorphous glass adherent or fused                                                                         
                 to the substrate and a second coat of a glass coherent with                                                                            
                 the first coat.  The first coat is selected so that the                                                                                
                 reaction (fusing) and stabilizing is completed to form a                                                                               
                 stable base for the second coat (column 3, lines 4-34).  The                                                                           
                 ultimate dual coat ceramic layer is applied over kitchen or                                                                            
                 lavatory appliances (column 4, lines 43-46).  The examiner has                                                                         
                 stated that “[t]o select the old and well known steel                                                                                  
                 disclosed by Dickinson would have been well within the purview                                                                         
                 of the ordinary artisan in order, for example, to exploit                                                                              
                 Dickinson’s steels [sic, steel’s] high strength                                                                                        
                 characteristics” (Answer, sentence bridging pages 6-7).                                                                                


                          5Rion does teach that the first or base glass layer                                                                           
                 "fuses" with a substrate such as steel (abstract, Figure 1,                                                                            
                 column 2, lines 21-43, and column 3, lines 12-41).                                                                                     
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