Ex Parte Stephens et al - Page 3

                Appeal  2006-1768                                                                            
                Application 10/389,327                                                                       
                      The rejections as presented by the Examiner are as follows:                            
                   1. Claims 1-12 and 16-25 are rejected under 35 U.S.C. § 103(a) as being                   
                      unpatentable over Fischer.                                                             
                   2. Claims 1, 2, 4-10, 14-20, 24 and 25 are rejected under 35 U.S.C. §                     
                      103(a) as being unpatentable over Dinicolantonio.                                      
                   3. Claims 3 and 11 are rejected under 35 U.S.C § 103(a) as unpatentable                   
                      over Dinicolantonio in view of Newby.                                                  
                   4. Claims 11-13 and 21-23 are rejected under 35 U.S.C. § 103(a) as                        
                      being unpatentable over Dinicolantonio in view of Johnson.                             
                   5. Claims 11-13 and 21-23 are rejected under 35 U.S.C. § 103(a) as                        
                      being unpatentable over Dinicolantonio in view of Ferguson.                            

                   Rather than reiterate the respective positions advocated by the                           
                Appellants and by the Examiner concerning these rejections, we refer to the                  
                Brief and Reply Brief and to the Answer respectively for a complete                          
                exposition thereof.                                                                          
                                                 OPINION                                                     
                      Appellants do not argue the burner and the method of combusting                        
                claims separately.  Rather, Appellants focus on the structural limitations that              
                are commonly recited in each set of claims.  Accordingly, we choose burner                   
                claim 1 as a representative claim on which to render our decision.                           

                SECTION  103(a) REJECTION OVER FISCHER                                                       
                      The feature of claim 1 that is the point of contention between the                     
                Examiner and Appellants is “a burner tip mounted on the downstream end of                    
                said burner tube and adjacent a first opening in the furnace,” the burner tip                

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