Ex parte RAO et al. - Page 3




          Appeal No. 96-3374                                                          
          Application No. 08/115,974                                                  


                                     BACKGROUND                                       
               The appellants' invention relates to a low friction cam                
          shaft.  Claims 1, 13 and 20 are representative of the subject               
          matter on appeal and copies of those claims are attached to                 
          this decision.                                                              


               The prior art references of record relied upon by the                  
          examiner as evidence of obviousness under 35 U.S.C. § 103 are:              
          Lachnit                  3,958,541                     May  25,             
          1976                                                                        
          Lehtinen et al.          4,558,960                     Dec. 17,             
          1985                                                                        
          (Lehtinen)                                                                  
          Umeha et al.             4,644,912                     Feb. 24,             
          1987                                                                        
          (Umeha)                                                                     
          Oda                      4,871,266                     Oct.  3,             
          1989                                                                        
          Rao et al.               4,872,432                     Oct. 10,             
          1989                                                                        
          (Rao)                                                                       
          Hiraoka et al.                4,969,262                     Nov.            
          13, 1990                                                                    
          (Hiraoka)                                                                   








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