Ex Parte Hatch et al - Page 2

                Appeal  2006-2547                                                                             
                Application 10/095,409                                                                        
                Patent 6,237,775                                                                              
           1    application, i.e., claims 1-5 and 18-28.  We have jurisdiction under 35                       
           2    U.S.C. § 6(b).  We affirm.                                                                    
           3                                    Introduction                                                  
           4          The subject matter on appeal is directed to a food pan having louvered                  
           5    vents in an upper area of a surrounding side wall of the pan.  The louvered                   
           6    vents enable tempered air to flow downward across the surface of the                          
           7    contents of the pan so that the contents are maintained at an appropriate                     
           8    temperature.  The louvered vents may extend outward from the pan to form                      
           9    an anti-jamming mechanism when multiple pans are stacked together.                            
          10    [Specification, col. 1, ll. 55-65.]                                                           
          11          Claims 1 and 24 are illustrative and read as follows:                                   
          12                 1. A food pan comprising:                                                        
          13                 one surrounding side wall and an imperforate                                     
          14                 bottom integrally forming a main body, the side                                  
          15                 wall having an imperforate lower portion abutting                                
          16                 the bottom and making direct contact with contents                               
          17                 of the food pan when the pan holds food,                                         
          18                 and the side wall further having an upper edge and                               
          19                 an upper edge-adjacent portion, the upper edge-                                  
          20                 adjacent portion including at least one vent                                     
          21                 therethrough adjacent to the upper edge, the vent                                
          22                 being partially covered by a louver such that                                    
          23                 the said at least one vent directs an airflow                                    
          24                 downward and into the pan to facilitate airflow                                  
          25                 contact with the upper surface of contents of the                                
          26                 food pan, the food pan being adapted to be                                       
          27                 removably receivable by a food preparation table.                                
          28                 24. A food pan consisting essentially of one                                     
          29                 surrounding side wall and bottom integrally                                      

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