Ex parte CASAGRANDE et al. - Page 7




          Appeal No. 1997-0906                                                         
          Application 08/292,666                                                       

          surface of the trough in a "radial configuration" with the                   
          outer surface of the handle.                                                 
               The Examiner applies Darlow solely for its teaching of                  
          locating spurs on the side wall for engaging the side of the                 
          operating handles (EA4; EA6).  Darlow shows a tie bar in which               
          the end of the handles appears to abut the inside surface of                 
          the tie bar (figures 3 and 4).  The Examiner does not rely on                
          this teaching in the rejection.  If he did, it would be                      
          necessary to explain how and why one of ordinary skill in the                
          art would modify Adamson, which the Examiner has selected as                 
          the primary reference and which discloses a floating                         
          relationship between the handle tie and the handles and                      
          handles extending through the handle tie, to have an abutting                
          relationship.  We do not find such a reason why one of                       
          ordinary skill in the art would have sought to modify Adamson                
          to provide an abutting relationship since this would be                      
          contrary to the purpose of Adamson.                                          
               Kakisako is applied because it shows a handle tie without               
          apertures.  It does not appear that claim 1 precludes having                 
          windows in the "inner surface" of the handle tie (like Darlow)               
          as long as the outer surface of the handles still abuts the                  

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