Ex Parte ALLGEIER et al - Page 12



          Appeal No. 1999-0890                                                        
          Application 07/575,096                                                      

          recites a means for performing a specified function without the             
          recital of structure to perform the claimed function.  See                  
          35 U.S.C. Section 112, Para. 6 (1994); Cole v. Kimberly Clark               
          Corp., 102 F.3d 524, 531,  41 USPQ2d 1001, 1006 (Fed. Cir. 1996)            
          ("To involve [Section 112, Para. 6], the alleged                            
          means-plus-function claim element must not recite a definite                
          structure which  performs the described function.")  The proper             
          construction of a means-plus-function claim limitation requires             
          interpreting the limitation in light of the  corresponding                  
          structure, material, or acts described in the written                       
          description, and equivalents thereof, to the extent that the                
          written  description provides such disclosure.  See In re                   
          Donaldson Co., 16 F.3d 1189, 1193, 29 USPQ2d 1845, 1848 (Fed.               
          Cir. 1994) (in banc).  Structure disclosed in the written                   
          description is "corresponding" to the claimed means under Section           
          112, Para. 6 if the structure is linked by the written                      
          description or the prosecution history to the function recited in           
          the claim. See B. Braun Medical, Inc. v. Abbott Labs., 124 F.3d             
          1419, 1424, 43 USPQ2d 1896, 1990 (Fed. Cir. 1997); see also                 
          Chiuminatta Concrete Concepts v. Cardinal Indus., Inc., 145 F.3d            
          1303, 1308, 46 USPQ2d 1752, 1755-56 (Fed. Cir. 1998).                       

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