Ex Parte Tefft et al - Page 7



                Appeal 2007-0074                                                                              
                Application 10/758,381                                                                        

                      As for the separately argued claims, and the rejection of claims 18 and                 
                25 over the further disclosure of Nakagawa, we will not burden the record                     
                with additional comments but rely upon the rationale expressed in the                         
                Examiner’s Answer.  Suffice it to say that we agree with the Examiner that                    
                controlling the ratio of fuel to oxygen is tantamount to controlling the flow                 
                rates of these gases.  We find no merit in Appellants’ argument that the fuel                 
                and oxygen ratio discussed by Knight “is a very different parameter than a                    
                separately measured ‘flow rate of fuel’ and ‘flow rate of oxidizer’, separate                 
                variables that are absolute flow rates, not ratios” (Reply Br. 6, ¶ 1).                       
                Manifestly, controlling the ratio of flow rates requires controlling the rates                
                of each gas expressed in the ratio.  As for Appellants’ argument that                         
                “[n]either reference ever describes the structural details of its deposition                  
                device” (Br. 9, last ¶ ), Appellants acknowledge that deposition devices                      
                within the scope of the appealed claims were known in the art, as stated by                   
                Moore and evidenced by Knight.                                                                











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