Ex parte ATSUMI et al. - Page 1

                    THIS OPINION WAS NOT WRITTEN FOR PUBLICATION                      

          The opinion in support of the decision being entered today (1) was not written
          for publication in a law journal and (2) is not binding precedent of the Board.

                                                               Paper No. 29           
                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                 AND INTERFERENCES                                    
                      Ex parte SHIGERU ATSUMI, HIRONORI BANBA                         
                                 and MASAO KURIYAMA                                   
                                Appeal No. 1997-4092                                  
                             Application No. 08/181,404                               
                              HEARD:  February 23, 2000                               
          Before, HAIRSTON, FLEMING and DIXON, Administrative Patent                  
          HAIRSTON, Administrative Patent Judge.                                      

                                 DECISION ON APPEAL                                   
               This is an appeal from the final rejection of claims 1                 
          through 26 and 30 through 51.                                               
               The disclosed invention relates to a nonvolatile                       
          semiconductor memory system that comprises a nonvolatile                    
          memory cell array divided into refresh blocks, and a flag cell              

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