Ex parte BIRGELIS - Page 6




          Appeal No. 96-1441                                                          
          Application 08/096,458                                                      


               Trevitt has the size and position relationship                         
               between slots and planar surfaces of the sidewalls                     
               which would enable this advantage when applied to                      
               Jenkins.  Trevitt is relied upon simply to show that                   
               it is known in the art to structurally provide the                     
               slots extending into the plane of a sidewall                           
               [answer, Paper No. 10, pages 4 and 5].                                 
               Claims 1 and 16, the two independent claims on appeal,                 
          define each of the slots in the sidewalls of the claimed liner              
          as “extending into a plane of the sidewalls away from the                   
          interior” of the associated refrigeration device (claim 1) or               
          cabinet (claim 16) and as having a limit means for preventing               
          shelf movement in at least one direction.  As implicitly                    
          conceded by the examiner, neither Jenkins nor Trevitt meets                 
          these claim limitations.  The examiner’s attempt to overcome                
          the individual deficiencies of these references in this regard              
          in the manner explained above is not well taken.                            




               Rejections based on 35 U.S.C. § 103 must rest on a                     
          factual basis.  In re Warner, 379 F.2d 1011, 1017, 154 USPQ                 
          173, 177-78 (CCPA 1967).  In making such a rejection, the                   
          examiner has the initial duty of supplying the requisite                    
          factual basis and may not, because of doubts that the                       
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