Ex parte COWAN et al. - Page 4




          Appeal No. 1999-1756                                                        
          Application No. 08/499,100                                                  


               In reaching our decision in this appeal, we have given                 
          careful consideration to the appellants' specification and                  
          claims, to the applied prior art references, and to the                     
          respective positions articulated by the appellants and the                  
          examiner.  As a consequence of our review, we make the                      
          determinations which follow.                                                
               At the outset, we note that the preambles of the claims                
          are directed to "seal means."  However, a reading of the                    
          claims in their entirety reveals that the claims are in fact                
          directed to a vectoring thrust nozzle of a gas turbine engine,              
          the nozzle including a fixed collar having a spherical outer                
          surface, a gimbal ring surrounding the collar, a pair of                    
          articulating clamshells pivotally "supported" [mounted] to                  
          said gimbal ring and a pair of seals between the collar and                 
          the clamshells.   Additionally, we note that claim 1 recites a4                                                            
          spherical outer surface of the fixed collar and a spherical                 
          surface of each of the two clamshells.  As we understand the                
          claim, the "said spherical surface" referred to in line 10 of               


               While this inconsistency between the preamble and the body of the4                                                                     
          claims is deserving of correction in the event of further prosecution before
          the primary examiner, it is our opinion that the scope of the claims is clear.
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