Ex Parte Chinou et al - Page 1



               The opinion in support of the decision being entered                   
               today was not written for publication in a law journal                 
               and is not binding precedent of the Board.                             

                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                                                                     
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                                                                                     
                       Ex parte MINAKO CHINOU, KATSUAKI OGAWA                         
                                and TAKAHIRO OKAZAKI                                  
                                                                                     
                                Appeal No. 2005-2453                                  
                             Application No. 10/102,923                               
                                                                                     
                                      ON BRIEF                                        
                                                                                     
          Before KIMLIN, WALTZ and JEFFREY T. SMITH, Administrative Patent            
          Judges.                                                                     
          KIMLIN, Administrative Patent Judge.                                        

                                 DECISION ON APPEAL                                   
               This is an appeal from the final rejection of claims 1-3,              
          6-12 and 14-17.  Claims 4 and 13 have been withdrawn from                   
          consideration.  Claim 1 is illustrative:                                    
               1.  A piston ring comprising a continuous hard carbon film             
          containing one or more elements selected from the group                     
          consisting of Si, W and Ni located on every surface of the piston           
          ring including an outer peripheral surface, an inner peripheral             
          surface, a top surface and a bottom surface thereof.                        



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