Ex Parte SCHUSTER et al - Page 2




          Appeal No. 2001-0345                                                        
          Application 09/041,416                                                      


          printing form, and dipole and multi-pole moments directed                   
          opposite the charges of the printing form, to the printing form             
          so that the toner particles are attracted to the entire surface             
          of the printing form to form a layer; controlling the thickness             
          of the layer of liquid toner particles by controlling one of                
          voltage and time during the charging step; fixing the liquid                
          toner particles with a source of energy in accordance with a                
          picture to be printed; one of removing and breaking down non-               
          fixed liquid toner particles to change ink acceptance behavior of           
          the layer; and erasing the printing form as a whole, after an end           
          of a printing process, by removing the fixed liquid toner                   
          particles.                                                                  

               The following references are relied on by the examiner:                
          Back                          3,607,255      Sep. 21, 1971                  
          Tomanek                       3,650,797      Mar. 21, 1972                  
          Raschke et al. (Raschke)      3,921,527      Nov. 25, 1975                  
          Peterson                      4,020,762      May   3, 1977                  
          Chu et al. (Chu)              4,103,616      Aug.  1, 1978                  
          Calabrese et al. (Calabrese) 4,705,696       Nov. 10, 1987                  
          Doyle (EPA)                   0 099 264      Jan. 25, 1984                  
               All claims on appeal, claims 1-10, 12-22, and 29 stand                 
          rejected under 35 U.S.C. § 103.  As evidence of obviousness, the            
          examiner relies upon Doyle in view of Raschke and Calabrese as to           
          claims 1-10, 12-14, 19, 20, 22, and 29.  To this initial                    
          combination of references, the examiner has separately added Back           
          as to claim 15, Chu as to claims 16 and 17, Peterson as to claim            
          18 and Tomanek as to claim 21.                                              





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