Ex Parte JACH - 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            written for publication and is not binding precedent of the Board.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. 23              


                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                    _____________                                     
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                 AND INTERFERENCES                                    
                                    _____________                                     
                                 Ex parte OLAF JACH                                   
                                    _____________                                     
                                Appeal No. 2001-2188                                  
                             Application No. 09/085,300                               
                                   ______________                                     
                                      ON BRIEF                                        
                                   _______________                                    
          Before JERRY SMITH, RUGGIERO, and SAADAT, Administrative Patent             
          Judges.                                                                     
          RUGGIERO, Administrative Patent Judge.                                      


                                 DECISION ON APPEAL                                   
               This is a decision on the appeal from the final rejection of           
          claims 7-10, 12, and 14-19.  Claims 11 and 13 have been canceled.           
          Claims 1-6 stand withdrawn from consideration as being directed             
          to a non-elected invention.                                                 
               The claimed invention relates to a method of calibrating               
          sensor elements for a limit current probe in which a value of               
          pump current for a selected sensor element is measured at a                 
          preselected pump voltage.  An optimum diameter of a gas intake              






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