Ex Parte SIWINSKI et al - Page 12




          Appeal No. 2003-0256                                                        
          Application No. 09/334,375                                                  

          the appellants’ specification rather than coming from the applied           
          prior art.  Hence, the record indicates that the examiner used              
          impermissible hindsight in rejecting claim 54.  See W.L. Gore &             
          Associates v. Garlock, Inc., 721 F.2d 1540, 1553, 220 USPQ 303,             
          312-13 (Fed. Cir. 1983), cert. denied, 469 U.S. 851 (1984); In re           
          Rothermel, 276 F.2d 393, 396, 125 USPQ 328, 331 (CCPA 1960).                
          Accordingly, we reverse the rejection of that claim.                        


























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