Ex parte ITOH et al. - Page 3




                 Appeal No. 1999-0404                                                                                     Page 3                        
                 Application No. 08/580,256                                                                                                             


                                                                   BACKGROUND                                                                           
                          The appellants' invention relates to a heat exchanger                                                                         
                 used for refrigerators and air conditioners using a                                                                                    
                 refrigerant mixture as an operating fluid (specification, p.                                                                           
                 1).  A copy of the claims under appeal is set forth in the                                                                             
                 appendix to the appellants' brief.                                                                                                     


                          The prior art references of record relied upon by the                                                                         
                 examiner in rejecting the appealed claims are:                                                                                         
                 Chiang et al.                                5,458,191                                    Oct. 17, 1995                                
                 (Chiang)                                                                (filed July 11, 1994)                                          
                 Kenkyujo                                     1,001,630                                    Aug. 18, 1965                                
                                                              (Great Britain)                                                                           


                          In addition, the examiner also relied upon known prior                                                                        
                 art (Jepson format of claim 9).                                                                                                        


                          Claims 1 to 6 stand rejected under 35 U.S.C. § 102(a)  as                                      2                              
                 being anticipated by Chiang.                                                                                                           



                          2It would appear to us that this rejection is more                                                                            
                 appropriately based upon 35 U.S.C. § 102(e).                                                                                           







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