Ex Parte TRENDELKAMP et al - Page 2




              Appeal No. 1996-4167                                                                 Page 2                
              Application No. 08/324,369                                                                                 


                                                    BACKGROUND                                                           
                     The appellants' invention relates to a filter-replacement cassette for an extruder                  
              (specification, p. 1).  A copy of the claims under appeal is set forth in the appendix to                  
              the appellants' brief.                                                                                     


                     The prior art of record relied upon by the examiner in rejecting the appealed                       
              claims is:                                                                                                 
              Shirato et al. (Shirato)           4,167,384                    Sep. 11, 1979                              
              Konno et al. (Konno)               4,416,605                    Nov. 22, 1983                              
              Gaul, Jr. (Gaul)                   4,507,072                    Mar. 26, 1985                              
              Lin                         DE-GM 90 11 605.4                   Nov. 22, 19903                             
              In addition, the examiner also relied upon the appellants' admission of prior art                          
              (specification, page 1, lines 16 to 20) relating to a filter-replacement cassette (Admitted                
              Prior Art).                                                                                                



                     Claims 6, 9, 11 and 12 stand rejected under 35 U.S.C. § 103 as being                                
              unpatentable over anyone of Shirato, Lin and the Admitted Prior Art in view of either                      
              Konno or Gaul.                                                                                             





                     3 In determining the teachings of Lin, we will rely on the translation provided by the USPTO.  A    
              copy of the translation is attached for the appellants' convenience.                                       






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