Ex parte BUTCHER - Page 8




          Appeal No. 1998-2424                                                        
          Application 08/515,269                                                      


          obvious.  Boston shows an impermeable sheath that can be                    
          folded or unrolled to be dispensed and placed in a container,               
          the open end of the sheath coinciding with the open end of the              
          container.  Appellant argues that the sheath is not                         
          bacteriologically impermeable.  However, Boston is clearly                  
          intended to keep the interior of the sheath sanitary and                    
          sterile.  Therefore, we regard bacteriological impermeability               
          as an inherently property of the sheath of Boston.  For this                
          reason, we will affirm the 35 U.S.C. § 103 rejection of claim               
          22 based on the Boston reference.                                           



















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