Ex Parte HEIL et al - Page 8



          Appeal No. 2004-1831                                                        
          Application No. 09/338,095                                                  
               Ste[i]dinger.  The first and second edges would                        
               therefore be separably attached, along the line of                     
               perforation.                                                           
               The examiner’s rationale is fatally flawed.  Although                  
          Yoshino may disclose a step of cutting his corona-discharged                
          tubular film, the examiner’s proposed replacement of this cutting           
          operation with a perforating operation would not yield the here             
          claimed invention.  This is because patentee’s cutting step is              
          for the purpose of transforming the tubular article shown in                
          Figure 2 into a sheet of film which is then provided with                   
          adhesive tape and folded into the shape depicted in Figure 1.               
          From our perspective, replacing Yoshino’s cut with a perforation            
          of the type taught by Steidinger would not in any way alter the             
          aforementioned tape-applying and film-folding steps of Yoshino.             
          Thus, if Yoshino’s tubular article shown in Figure 2 were                   
          provided with a perforation rather than a cut, an artisan would             
          have severed this perforation in order to then perform the tape-            
          applying and film-folding steps pursuant to patentee’s teaching.            
          Indeed, it seemingly would be impossible to perform these last              
          mentioned steps without first severing the perforation.                     
               In light of the foregoing, it is clear to us that the                  
          combined teachings of Yoshino and Steidinger would not have led             
          to a roll of masking material having first and second edges                 

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