Ex parte TREVORROW - Page 5




          Appeal No. 96-0563                                                          
          Application 07/540,839                                                      



          time of appellants' invention, as reflected by the applied                  
          references, it is our conclusion that the examiner's rejection              
          of claims 30 and 31 under 35 U.S.C.     § 103 is well founded,              
          but that the rejections of claim 30 under 35 U.S.C. § 102(b)                
          and of claim 32 under 35 U.S.C. § 103 are not well founded.                 
          Our reasoning for this determination follows.                               
               Considering first the rejection of claim 30 under §                    
          102(b), we initially observe that an anticipation under 35                  
          U.S.C.        § 102(b) is established only when a single prior              
          art reference discloses, either expressly or under the                      
          principles of inherency, each and every element of a claimed                
          invention.  See Constant v. Advanced Micro-Devices, Inc., 848               
          F.2d 1560, 1570, 7 USPQ2d 1057, 1064 (Fed. Cir.), cert.                     
          denied, 488 U.S. 892 (1988); RCA Corp. v. Applied Digital Data              
          Sys., Inc., 730 F.2d 1440, 1444, 221 USPQ 385, 388 (Fed.                    
          Cir.1984). Additionally, the law of anticipation does not                   
          require that the reference teach what the appellants are                    
          claiming, but only that the claims on appeal "read on"                      
          something disclosed in the reference, i.e., all limitations of              
          the claim are found in the reference.  See Kalman v. Kimberly-              

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