Ex parte DAHLIN et al. - Page 12




           Appeal No. 1997-4129                                                                     
           Application 08/237,988                                                                   

                 For the reasons stated above, we conclude that a                                   
           prima facie case of obviousness exists with respect to                                   
           claims 1, 4, 7, and 8.  Accordingly, the rejection of                                    
           claims 1, 4, 7, and 8 is sustained.                                                      
                 No time period for taking any subsequent action in                                 
           connection with this appeal may be extended under 37 CFR                                 
           § 1.136(a).                                                                              
                                            AFFIRMED                                                







                             ERROL A. KRASS                           )                             
                             Administrative         Patent Judge      )                             
                                                                )                                   
                                                                )                                   
                                                                )                                   
                                                                )  BOARD OF                         
           PATENT                                                                                   
                             LEE E. BARRETT                     )     APPEALS                       
                             Administrative Patent Judge        )       AND                         
                                                                )   INTERFERENCES                   
                                                                )                                   
                                                                )                                   
                                                                )                                   
                             ANITA PELLMAN GROSS                )                                   
                             Administrative Patent Judge        )                                   



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