Ex parte DUFF - Page 7




          Appeal No. 1998-0073                                                        
          Application 08/273,813                                                      

               Chadima teaches in col. 13, lines 54 through 64 and Fig.               
          17 that the gasket 100 seals the top and the bottom housing                 
          portions 41 and 42 and is permanently held in place with the                
          fasteners 101.  Chadima further shows the display 14 and the                
          keyboard 12 on the exterior surface of the top housing.                     
          Therefore, we find that Chadima teaches a portable computer                 
          with top and bottom housings where the display and the                      
          keyboard are on the outside surface of the top housing and are              
          accessible without opening the top and the bottom housings                  
          once they are permanently sealed in closed position.                        
               In view of these teachings, we find that Chadima is                    
          concerned with permanently sealing a portable computer and                  
          forming a sealed unit with the display and the keyboard on the              
          exterior of the top housing which is not opened during its                  
          operation.  Chadima is not addressing the problem of sealing a              
          computer housing with two parts which open and close against                
          one another as taught by Hsieh.  Therefore, we fail to find                 
          any suggestion or desirability of placing Chadima’s sealant in              
          between Hsieh’s top and bottom housings of a clam shell                     
          computer.  Accordingly, we reverse the rejection of claims 1,               
          5 through 9, 11, 12, 15 through 17, 24, and 25.                             

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