Ex parte ESTEROWITZ et al. - Page 2




          Appeal No. 2000-0948                                       Page 2           
          Application No. 08/511,341                                                  


               The appellants' invention relates to a dual wavelength                 
          surgical laser system for performing laser surgery on living                
          tissue with a minimum amount of collateral tissue damage.  A                
          copy of the claims under appeal is set forth in the appendix                
          to the appellants' brief.                                                   


               The prior art references of record relied upon by the                  
          examiner in rejecting the appealed claims are:                              
          Feld et al.              5,312,396                     May 17,              
          1994                                                                        
          (Feld)                                                                      
          Broadly turnable infrared parametric oscillator using AgGaSe ;              
                                                                      2               
          Eckardt et al.; American Institute of Physics; Sept. 15, 1986;              
          pp. 608-610                                                                 
          (Eckardt)                                                                   
          Tissue ablation by a free-electron laser turned to the amide                
          II band; Edwards et al.; Nature; Sept. 29, 1994; pp. 416-419                
          (Edwards)                                                                   



               Claims 1 and 3 to 24  stand rejected under 35 U.S.C. §                 
          103 as being unpatentable over Feld in combination with                     
          Eckardt and Edwards.                                                        










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