Ex parte MACLAUCHLAN - 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              publication in a law journal and (2) is not binding precedent of the Board.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. 10                        
                              UNITED STATES PATENT AND TRADEMARK OFFICE                                                  
                                   BEFORE THE BOARD OF PATENT APPEALS                                                    
                                               AND INTERFERENCES                                                         
                                         Ex parte DANIEL T. MacLAUCHLAN                                                  
                                                Appeal No. 1998-2443                                                     
                                              Application No. 08/704,956                                                 
                                                      ON BRIEF                                                           
              Before KRASS,  BARRETT and GROSS,  Administrative Patent Judges.                                           
              KRASS, Administrative Patent Judge.                                                                        

                                               DECISION ON APPEAL                                                        
                     This is a decision on appeal from the final rejection of claim 21, the sole claim                   
              pending in the application.                                                                                
                     The invention is directed to a method for determining a liquid level in a container                 
              using an electromagnetic acoustic transducer (EMAT).  The method is applied to                             
              containers having a thin metal wall.  Because the thin wall is much more compliant than                    


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