Ex parte PADOAN et al. - Page 1




               The opinion in support of the decision being entered today was not     
               written for publication and is not binding precedent of the Board.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 SILVIA PADOAN and CARLA GOLLA                        
                                     ____________                                     
                                 Appeal No. 1997-2034                                 
                              Application No. 08/347,788                              
                                     ____________                                     
                                HEARD: November 7, 2001                               
                                     ____________                                     
          Before FLEMING, GROSS, and LEVY, Administrative Patent Judges.              
          GROSS, Administrative Patent Judge.                                         



                                  DECISION ON APPEAL                                  
               This is a decision on appeal from the examiner's final                 
          rejection of claims 1, 2, 4, 6, 7, 9, 11, 13 through 18, 23,                
          and 26 through 30.  Claims 3, 5, 8, 10, 12, 24, and 25 have                 
          been canceled.  Claims 19 through 22 have been withdrawn from               
          consideration as directed to a non-elected invention.                       
               Appellants' invention relates to a circuit for generating              
          a stable reference voltage by compensating for temperature and              
          process parameters.  In particular, the circuit is formed with              
          two natural transistors of opposite conductivity type, with                 





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