Ex parte HORSTMANN et al. - Page 12




          Appeal No. 1997-3241                                                        
          Application 08/442,726                                                      


          art, or by the implications contained in such teachings or                  
          suggestions.  In re Sernaker, 702 F.2d 989, 995, 217 USPQ 1, 6              
          (Fed. Cir. 1983). “Additionally, when determining obviousness,              
          the claimed invention should be considered as a whole; there                
          is no legally recognizable ‘heart’ of the invention." Para-                 
          Ordance Mfg. V. SGS Importers Int’l Inc., 73 F.3d 1085, 1087,               
          37 USPQ2d 1237, 1239 (Fed. Cir. 1995), cert. denied, 519 U.S.               
          822 (1996)(citing W.L. Gore & Assoc., Inc. v. Garlock Inc.,                 
          721 F.2d 1540, 1548, 220                                                    




















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