Ex parte LEIFELD - Page 2




                 Appeal No. 97-1260                                                                                                                     
                 Application 08/124,774                                                                                                                 


                 pending in the application.2                                                                                                           


                          The invention relates to “an apparatus which forms part                                                                       
                 of a carding machine and which serves for introducing fiber                                                                            
                 material to the main carding cylinder” (specification, page                                                                            
                 1).  Independent claim 1 is representative and reads as                                                                                
                 follows:                                                                                                                               
                          1.       In a carding machine including a main carding                                                                        
                 cylinder and an apparatus for introducing fiber material to                                                                            
                 the main carding cylinder; the apparatus including a fiber                                                                             
                 feeding device and at least one licker-in having a sawtooth                                                                            
                 clothing and being disposed between the fiber feeding device                                                                           
                 and the main carding cylinder; the improvement wherein said                                                                            
                 apparatus comprises at least one pin roll having a pin                                                                                 
                 clothing; said pin roll including a securing surface; said pin                                                                         
                 clothing including a plurality of pins embedded into and                                                                               
                 projecting from said securing surface; said pin roll                                                                                   
                 immediately adjoining said fiber feeding device and being                                                                              
                 situated between said fiber feeding device and said licker-in.                                                                         
                          The references relied upon by the examiner as evidence of                                                                     
                 obviousness are:                                                                                                                       
                 Plantron                                     166,407                                      Aug.  3, 1875                                
                 Riehl et al. (Riehl)                         2,964,801                                    Dec. 20, 1960                                
                 Otani                                        3,995,351                                    Dec.  7, 1976                                
                 Estebanell                                   4,355,439                                    Oct. 26, 1982                                
                 Weber                                        8560                                         Jun. 14, 1887                                

                          2Claims 17 and 18 have been amended subsequent to final                                                                       
                 rejection.                                                                                                                             
                                                                         -2-                                                                            





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