Ex parte WILLIAMS et al. - Page 5




          Appeal No. 96-0663                                                          
          Application No. 08/253,618                                                  


          steps such features are intended to correspond, suggests that the           
          only deficiency of Nigam is a failure to disclose magnetic                  
          recording with optical servo tracks or a dual actuator system or            
          detecting whether a high density or low density disk is present             
          and concludes that Williams’ disclosure of an optical servo                 
          track, utilizing a dual actuator configuration, and that                    
          Bartlett’s means to detect a type of disk resident in the disk              
          drive, taken together with Nigam, would have made the subject               
          matter of claims 14, 17 and 18 obvious, within the meaning of 35            
          U.S.C. 103.                                                                 
                Similarly, the examiner concludes that the combination of             
          Nigam and Bartlett, taken together with claim 22 (which depends             
          from claims 16 and 21) of Williams would have made the instant              
          claimed subject matter obvious with regard to an obviousness-type           
          double patenting rejection.                                                 
                Appellants appear to argue that prior art describing                  
          structure cannot be properly applied against a method claim.  If            
          this is what appellants mean, we do not agree that this is always           
          the case.  There may very well be instances where the mere                  
          disclosure of a certain structure would clearly suggest a                   
          particular method.  But, clearly, the instant case is not such an           
          instance.                                                                   

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