Ex Parte DENBY et al - Page 7



                    Appeal No. 2002-0251                                                                                                                                  
                    Application No. 09/220,170                                                                                                                            

                    Moreover, with particular regard to claim 9, we find the                                                                                              
                    examiner's reliance on Nau, as set forth in the answer (pages 5                                                                                       
                    and 7), to be entirely misplaced.  Like appellants (brief, page                                                                                       
                    4), we note that item (11) in Nau (Fig. 5) and the portion of the                                                                                     
                    surface thereof which begins at (18) and inclines rearwardly and                                                                                      
                    upwardly therefrom is not a lower surface of a forwardly opening                                                                                      
                    hitch bar receptacle as defined in claim 9 on appeal, but rather                                                                                      
                    forms a part of the nose (2) of the plate-like ballast weight (1)                                                                                     
                    and an upper surface of the receptacle that receives the support                                                                                      
                    or carrier element (3).  Thus, while it may have been obvious to                                                                                      
                    modify the hook projection (32) of Teich following teachings                                                                                          
                    relating to Nau's item (11), we see no basis for modifying the                                                                                        
                    lower surface of the forwardly opening receptacle or recess (28)                                                                                      
                    in the ballast weight (24) of Teich in the manner urged by the                                                                                        
                    examiner.  Accordingly, the examiner's rejection of claims 9 and                                                                                      
                    14 under 35 U.S.C. § 103(a) will likewise not be sustained.                                                                                           








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