Ex Parte CRAYFORD et al - Page 3



          Appeal No. 2001-2291                                       Page 3          
          Application No. 08/743,049                                                 
                                       OPINION                                       
               We have carefully considered the subject matter on appeal,            
          the rejection advanced by the examiner and the evidence of                 
          obviousness relied upon by the examiner as support for the                 
          rejection.  We have, likewise, reviewed and taken into                     
          consideration, in reaching our decision, the appellants’                   
          arguments set forth in the brief along with the examiner’s                 
          rationale in support of the rejection and arguments in rebuttal            
          set forth in the examiner’s answer.                                        
               It is our view, after consideration of the record before us,          
          that the evidence relied upon and the level of skill in the                
          particular art would have suggested to one of ordinary skill in            
          the art the obviousness of the invention as set forth in claim             
          14.  We reach the opposite conclusion with respect to claim 1.             
          Accordingly, we affirm-in-part.                                            
               In rejecting claims under 35 U.S.C. § 103, it is incumbent            
          upon the examiner to establish a factual basis to support the              
          legal conclusion of obviousness.  See In re Fine, 837 F.2d 1071,           
          1073, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988).  In so doing, the              
          examiner is expected to make the factual determinations set forth          
          in Graham v. John Deere Co., 383 U.S. 1, 17, 148 USPQ 459, 467             
          (1966), and to provide a reason why one having ordinary skill in           
          the pertinent art would have been led to modify the prior art or           
          to combine prior art references to arrive at the claimed                   







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