Ex Parte Pearlstein et al - Page 5



         Appeal No. 2005-0531                                                       
         Application No. 10/120,708                                                 

         (25) and second end (21)" (id.).  Again, however, appellants'              
         argument is not commensurate in scope with the appealed claims             
         since, as noted by the examiner, the appealed claims are                   
         sufficiently broad to embrace a purifier tube assembly having              
         perforations therein.                                                      
              We are also not persuaded by appellants' argument that a              
         combination of Horner and Visceglia necessarily results in a               
         helical purifier tube assembly being perforated and having a plug          
         at its first end.  Manifestly, it would have been at least as              
         obvious for one of ordinary skill in the art to completely                 
         substitute the helical purifier of Visceglia, without                      
         perforations and a plug, for the purifier assembly of Horner.              
         Although appellants conclude that "one cannot replace the                  
         purifier tube employed in the Horner, et al shipping container             
         for gas storage and distribution with the coil filter of                   
         Visceglia, et al and achieve Applicants' claimed fluid storage             
         and purification unit as defined by Claims 1-3 and 9-11" (page 7           
         of Brief), appellants have advanced no rationale in support of             
         their conclusion.                                                          
              As a final point, we note that appellants base no argument            
         upon objective evidence of nonobviousness, such as unexpected              


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