Ex Parte Zeller - Page 20



                    Appeal No. 2004-1137                                                                                                                                  
                    Application No. 09/734506                                                                                                                             

                    supra in our evaluation of the examiner's rejection of claims 1,                                                                                      
                    3, 10 and 12 under 35 U.S.C. § 103(a) relying on Singer and                                                                                           
                    Gillard.  The examiner's position regarding the rejection of                                                                                          
                    claims 28, 29, 31 and 32 is set forth on pages 7, 8 and 13-15 of                                                                                      
                    the answer.  Like the examiner, it is our view that normal                                                                                            
                    operation of the thermostatic control of the refrigeration unit                                                                                       
                    (43) in Gillard, as described at page 3, column 1, thereof,                                                                                           
                    results in performing both the step of "adjusting an internal                                                                                         
                    temperature of the vessel assembly to an initial mean temperature                                                                                     
                    value" and the further step of "lowering the internal temperature                                                                                     
                    of the vessel assembly to a mean temperature value lower than the                                                                                     
                    initial mean temperature value," as set forth in claim 28 on                                                                                          
                    appeal.                                                                                                                                               

                    When cooling the sample chamber (13) of Gillard during hot                                                                                            
                    weather, the thermostat (45) is set at a predetermined low                                                                                            
                    temperature value that will prevent putrefaction and                                                                                                  
                    deterioration of the liquid sewage sample contained in sample                                                                                         
                    bottle (16).  However, normal operation of a thermostat involves                                                                                      
                    more than just the exact temperature at which the thermostat has                                                                                      
                    been set to maintain a desired temperature within the chamber                                                                                         
                    (13).  In a cooling environment, like that in Gillard, a                                                                                              
                                                                                   2020                                                                                   




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