Ex parte HALL - Page 3




          Appeal No. 97-0356                                                          
          Application No. 08/086,150                                                  


          producing a second signal having a value which is a second                  
          function of said sensed temperature; and                                    
               means for comparing said first signal to said second                   
          signal to generate an error signal in response to a ratio                   
          between said first and second signals being different from a                
          first predetermined ratio indicative of at least one limiting               
          value between said first and second signals, said error signal              
          signifying a change in the calibration of one of said at least              
          two thermocouple junctions.                                                 
               The references relied on by the examiner are:                          
          Petry               2,696,118                     Dec.  7, 1954             
          Kleinle             3,449,174                     June 10, 1969             
          Bock                     675,473                       Dec.  3,             
          1963                                                                        
          (Canadian Patent)                                                           
               Claims 12, 20 and 21 stand rejected under 35 U.S.C. §                  
          102(b) as being anticipated by Petry or, in the alternative,                
          under                                                                       
          35 U.S.C. § 103 as being unpatentable over Petry.                           
               Claims 14, 17, 22 through 24 and 27 stand rejected under               
          35 U.S.C. § 103 as being unpatentable over Petry in view of                 
          Bock.                                                                       
               Claims 18 and 19 stand rejected under 35 U.S.C. § 103 as               
          being unpatentable over Petry in view of Kleinle.                           
               Claims 26 and 30 stand rejected under 35 U.S.C. § 103 as               
          being unpatentable over Petry in view of Bock and Kleinle.                  

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