Ex Parte YAMAMOTO - Page 4




                    Appeal No. 2002-0582                                                                                                                                  
                    Application No. 09/083,936                                                                                                                            


                    Oetiker, 977 F.2d at 1445, 24 USPQ at 1444.  See also Piasecki,                                                                                       
                    745 F.2d at 1472, 223 USPQ at 788.                                                                                                                    
                              An obviousness analysis commences with a review and                                                                                         
                    consideration of all the pertinent evidence and arguments.  "In                                                                                       
                    reviewing the [E]xaminer's decision on appeal, the Board must                                                                                         
                    necessarily weigh all of the evidence and arguments."  In re                                                                                          
                    Oetiker, 977 F.2d at 1445, 24 USPQ2d at 1444.  "[T]he Board must                                                                                      
                    not only assure that the requisite findings are made, based on                                                                                        
                    evidence of record, but must also explain the reasoning by which                                                                                      
                    the findings are deemed to support the agency's conclusion."  In                                                                                      
                    re Lee, 277 F.3d 1338, 1344, 61 USPQ2d 1430, 1434 (Fed. Cir.                                                                                          
                    2002).  With these principles in mind, we commence review of the                                                                                      
                    pertinent evidence and arguments of Appellant and Examiner.                                                                                           
                              In the brief and supplemental brief, Appellant argues that                                                                                  
                    neither Kakizoe nor Manthe either alone or in combination teach                                                                                       
                    or suggest forming the gas blow-arc openings from the arc cover                                                                                       
                    and the arc box.  Appellant points out that this limitation is                                                                                        
                    recited in each of the independent claims 6, 9 and 12.  Appellant                                                                                     
                    further points out that claims 7 and 8 also recite this                                                                                               
                    limitation because they depend on claim 6.                                                                                                            



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