Ex parte STEWART - Page 2




          Appeal No. 1997-0030                                                        
          Application No. 08/180,767                                                  


               Appellant’s invention pertains to “an apparatus . . . for              
          providing two or more predetermined wavelengths of laser                    
          radiation for coaxial transmission and simultaneous use, and,               
          more particularly, to a metal vapor laser system for providing              
          a single output laser light beam having a predetermined                     
          mixture of wavelengths for simultaneous medical use”                        
          (specification, page 1).  Independent claim 1, a copy of which              
          is found in an appendix to appellant’s brief, is                            
          representative of the appealed subject matter.                              


               The references of record relied upon by the examiner as                
          evidence of obvious are:                                                    
          Schachar et al. (Schachar)         4,520,816           June  4,             
          1985                                                                        
          Kung et al. (Kung)                 5,180,378           Jan. 19,             
          1993                                                                        
          Piper                         WO87/06775      Nov.  5, 1987                 
          B.G. Bricks et al. (Bricks), "An Investigation of a Discharge-              
          Heated Barium Laser," J. Appl. Phys., vol. 49, no. 1, 38-                   
          40(January 1978).                                                           






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