Ex parte MARK E. WANGER, et al. - Page 3




          Appeal No. 95-2788                                                          
          Application 08/038,430                                                      

                    Claims 21 through 39 stand rejected under 35 U.S.C.               
          112, first paragraph, as being based on a nonenabling disclosure.           
                    Reference is made to the brief and answer for the                 
          respective positions of appellants and the examiner.                        



                                       OPINION                                        
                    At the outset, we note, in passing, that the recitation           
          on line 20 of claim 26, of "less than 350x10 ...," was probably10                              
          meant to read --less than 350x10 ...--.  We leave it to-10                                         
          appellants and the examiner to make the necessary corrections.              
                    In the final rejection of May 12, 1994 (Paper No. 11),            
          the examiner holds the disclosure to be nonenabling for the                 
          claimed lower limit for the wear factor because                             
                    In the absence of a lower limit, the                              
                    wear factor includes values approaching                           
                    zero.  Accordingly, the specification is                          
                    non-enabling as to a wear factor as                               
                    small as that encompassed by the                                  
                                               -10  3                                 
                    limitation "less than 10x10  in -                                 
                    min/ft-lb-hr" [FR-page 2].                                        
                    The examiner also states, at page 3 of the final                  
          rejection,                                                                  
                    ...the specification does not disclose                            
                    an upper limit for the amount of PTFE                             
                    (at least 15%) or carbon fiber (at least                          
                    30%) comprising the data storage                                  

                                         -3-                                          





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