Ex parte LACKIE - Page 5




          Appeal No. 1996-3504                                                        
          Application No. 08/265,648                                                  


               means-plus-function element to which  112,  6                        
               applies .... Nevertheless according to its express                     
               terms,                                                                 
                112,  6 governs only claim elements that do not                     
               recite sufficient structural limitations.  See also                    
               Unidynamics Corp. v. Automatic Products                                
               International Ltd., 157 F.3d 1311, 1319, 48 USPQ2d                     
               1099, 1104-1105 (Fed. Cir. 1998).                                      
          Claim construction is a question of law that we review de                   
          novo.                                                                       
          Cybor Corp. v. FAS Techs., Inc., 138 F.3d 1448, 1456, 46                    
          USPQ2d                                                                      
          1169, 1174 (Fed. Cir. 1998)(in banc).                                       
               Applying the above statutory interpretation to the                     
          present case, we determine that the terms “measuring means”                 
          and “focussing optical lens means” recited in claims 1, 4, 5                
          and 35 are mean-plus-function elements to which  112,  6,                 
          applies.  Nowhere do claims 1, 4, 5 and 35 recite sufficient                
          structural limitations for the above means.  Thus, we look to               
          the specification for the structure corresponding to                        
          “measuring means” and “focussing optical lens means” and                    
          equivalents thereof to determine the scope and meaning of                   
          claims 1, 4, 5 and 35, the broadest claims in this                          
          application.                                                                



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