Ex Parte LEDINGHAM - Page 3




                    Appeal No. 2003-0192                                                                                                                                  
                    Application No. 08/871,300                                                                                                                            


                    Independent claims 20 and 21 are representative of the                                                                                                
                    subject matter on appeal and a copy of those claims is appended                                                                                       
                    to appellant's brief.                                                                                                                                 


                    The only prior art reference of record relied upon by the                                                                                             
                    examiner in rejecting the appealed claims is:                                                                                                         
                    Goetz '379                                       4,919,379                                         Apr. 24, 1990                                      


                    In addition to the foregoing prior art reference, the                                                                                                 
                    examiner has also relied upon applicant's admitted prior art                                                                                          
                    (hereinafter the APA) shown in Figure 1 of the application and                                                                                        
                    described on pages 1, 3 and 4 of the specification.                                                                                                   


                    Claims 20 through 22 stand rejected under 35 U.S.C. § 103(a)                                                                                          
                    as being unpatentable over the APA in view of Goetz '379.                                                                                             


                    Rather than reiterate the examiner's full commentary                                                                                                  
                    regarding the above-noted rejection and the conflicting                                                                                               
                    viewpoints advanced by the examiner and appellant regarding the                                                                                       
                    rejection, we make reference to the examiner's answer (Paper No.                                                                                      
                    25, mailed July 22, 2002) for the reasoning in support of the                                                                                         
                    rejection, and to appellant's brief (Paper No. 24, filed May 30,                                                                                      

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