Ex parte MACKU et al. - Page 7




          Appeal No. 1999-0313                                       Page 7           
          Application No. 08/918,089                                                  


               We sustain the rejection of claim 29 under 35 U.S.C. §                 
          103.                                                                        


               The appellants have not contested the examiner's                       
          determination that it would have been obvious to provide Brown              
          with a pug mill as suggested and taught by Reed's pug mill                  
          122.  The appellants only argue that such combination fails to              
          arrive at the claimed combination.  Specifically, the                       
          appellants argue (brief, pp. 5-6) that nothing in either Brown              
          or Reed "even remotely suggests that a single structural                    
          component may be arranged to convey the material as well as                 
          mix the material as the material is being conveyed."                        


               The examiner responded to this argument (answer, p. 12)                
          by stating that Reed's pug mill 122 "receives paving                        
          components received from conveyor 80, mixes them, and conveys               
          them to spreader box 136."                                                  


               In our view, Reed's pug mill 122 clearly is a single                   
          structural component which conveys the material as well as                  









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