Ex parte SIGMUNDSTAD - Page 9




          Appeal No. 2000-0560                                                        
          Application No. 08/578,636                                                  


          Kronig, 539 F.2d 1300, 1302-03, 190 USPQ 425, 426-27 (CCPA                  
          1976)).                                                                     
               While we might speculate as to what group of parts form                
          the claimed sealing arrangement, our uncertainty provides us                
          with no proper basis for making the comparison between that                 
          which is claimed and the prior art as we are obliged to do.                 
          Rejections under 35 U.S.C. § 102 should not be based upon                   
          "considerable speculation as to the meaning of the terms                    
          employed and assumptions as to the scope of the claims."  In                
          re Steele, 305 F.2d 859, 862, 134 USPQ 292, 295 (CCPA 1962).                
          Accordingly, we are constrained to reverse, pro forma, the                  
          examiner's rejection of claims 9, 10 and 12 through 15 under                
          35 U.S.C. § 102(b).  We hasten to add that this is a                        
          procedural reversal rather than one based upon the merits of                
          the § 102(b) rejection.                                                     





                                     CONCLUSION                                       
               To summarize, the decision of the examiner to reject                   
          claims 9, 10 and 12 through 15 under 35 U.S.C. § 112, second                
                                          9                                           





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