Ex parte PENN et al. - Page 4




          Appeal No. 1997-1380                                                        
          Application 08/301,508                                                      


          anticipation and obviousness are:                                           
          Helinski                           5,136,515           Aug.  4,             
          1992                                                                        
          (filed Nov. 7,                                                              
          1989)                                                                       
          Pomerantz et al. (Pomerantz)            5,031,120           Jul.            
          9, 1991                                                                     
          (filed Dec. 22,                                                             
          1988)                                                                       
          Chevalier et al. (Chevalier)            5,350,477           Sep.            
          27, 1994                                                                    
          (§ 102(e) date of Apr. 23,                                                  
          1991)                                                                       
               Claims 1 and 13 stand rejected under 35 U.S.C. § 102(e)                
          as being anticipated by Helinski.                                           


               Claims 2 through 5, 11, 12, 14, 15, 17 and 18 stand                    
          rejected under 35 U.S.C. § 103 as being unpatentable over                   
          Helinski in view of Pomerantz.                                              
               Claims 9 and 10 stand rejected under 35 U.S.C. § 103 as                
          being unpatentable over Helinski in view of Pomerantz, and                  
          further in view of Chevalier.                                               
               Reference is made to the appellants’ main and reply                    
          briefs (Paper Nos. 10 and 12) and to the examiner’s main                    
          answer (Paper No. 11) for the respective positions of the                   


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