Ex Parte Yu et al - Page 3

               Appeal 2006-2924                                                                             
               Application 10/668,522                                                                       
                      The Examiner relies upon the following as evidence of                                 
               unpatentability:                                                                             
               Ristow                   US 1,861,136                   May 31, 1932                       
               Heinze                   US 6,047,820                   Apr. 11, 2000                      
               Funk                     US 6,269,169 B1                 Jul. 31, 2001                      
               Solomon                  US 2003/0025316 A1              Feb. 06, 2003                      
               Prescott                 US 6,805,459 B1                 Oct. 19, 2004                      

                      Appellants seek review of the Examiner’s rejections under 35 U.S.C.                   
               § 103(a) of claims 1, 3, and 10 as unpatentable over Solomon in view of                      
               Ristow and Funk, claims 2, 7, and 11 as unpatentable over Solomon in view                    
               of Ristow, Funk, and Prescott, and claim 13 as unpatentable over Solomon                     
               in view of Ristow, Funk, and Heinze.                                                         
                      The Examiner provides reasoning in support of the rejections in the                   
               Answer (mailed May 4, 2006).  Appellants present opposing arguments in                       
               the Brief (filed April 14, 2006) and Reply Brief (filed July 7, 2006).                       

                                               THE ISSUES                                                   
                      With respect to the rejection of claims 1, 3, and 10 as unpatentable                  
               over Solomon in view of Ristow and Funk, Appellants do not argue the                         
               patentability of dependent claims 3 and 10 apart from claim 1, allowing                      
               them to stand or fall with representative claim 1.  The issue before us with                 
               respect to this rejection is whether Appellants have demonstrated that the                   
               Examiner erred in concluding the combined teachings of the references                        
               would have suggested the invention recited in claim 1 and, in particular,                    
               modification of Solomon to provide “an ultraviolet light emitting diode                      
               flashlight having a light source consisting of: a single light emitting diode”               
               as called for in claim 1.                                                                    

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