Ex parte PFEUFFER et al. - Page 8

                 Appeal No. 1999-0960                                                                                                                   
                 Application No. 08/785,437                                                                                                             

                 Rejection (2)                                                                                                                          
                          Claim 16 reads:                                                                                                               
                                            16.  The filter element according to Claim                                                                  
                                   1, further comprising:                                                                                               
                                            an air jet housing, wherein the protective                                                                  
                                   mask has a plurality of slots which correspond                                                                       
                                   to the fold backs of the accordion fold pack,                                                                        
                                   the air jet housing adapted to detachably                                                                            
                                   sealably cover one of the plurality of slots [ ]                                   2                                 
                                   of the protective mask on the flow-off side, and                                                                     
                                   wherein a pressurized fluid may be applied to                                                                        
                                   the air jet housing from the flow-off side to                                                                        
                                   thereby clean a fold back associated with the                                                                        
                                   one of the plurality of slots, the air jet                                                                           
                                   housing being movable to sealingly cover a                                                                           
                                   different one of the plurality of slots of the                                                                       
                                   protective mask.                                                                                                     
                          The additional references, Okuma and Zanma, applied in                                                                        
                 this rejection, do not overcome the above-discussed                                                                                    
                 deficiencies of Wright with respect to parent claim 1.                                                                                 
                 Rejection (2) therefore will not be sustained.                                                                                         

                          2This recitation appears to be inconsistent with Fig. 4,                                                                      
                 where the air jet housing 9 is shown as sealably covering a                                                                            
                 row of slots 5 across the width of mask 3 and filter 1 (six                                                                            
                 slots in Fig. 3), rather than just one slot.                                                                                           

Page:  Previous  1  2  3  4  5  6  7  8  9  10  11  Next 

Last modified: November 3, 2007