Ex parte GILDER et al. - Page 6



            Appeal No. 1998-2360                                                      
            Application No. 08/604,976                                                


            ahead of the leading, negative exposure blade where it                    
            would be provided with a negative exposure to establish a                 
            progressively increasing order of blade exposures. Second,                
            the third blade may be placed between the negative exposure               
            blade and the zero exposure blade where it would also be                  
            provided with a negative exposure to establish a                          
            progressively increasing order of blade exposures.  Third,                
            the third blade may be placed behind the zero exposure                    
            blade where it would be provided with a positive exposure                 
            to establish a progressively increasing order of blade                    
            exposures. Obviously, the choice of either the first or                   
            second locations would not result in appellants= invention,               
            and the selection of the third location would amount to                   
            hindsight and thus would be improper as previously noted.                 
            Id.                                                                       














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