Ex Parte VAN DER HOOFDEN et al - Page 4




              Appeal No. 2000-0706                                                                                        
              Application No. 08/675,665                                                                                  


                                                       OPINION                                                            
                     In reaching our decision in this appeal, we have given careful consideration to                      
              appellants’ specification and claims, to the applied prior art references, and to the                       
              respective positions articulated by appellants and the examiner.  As a consequence of                       
              our review, we make the determinations which follow.                                                        
                                      35 U.S.C. § 112, SECOND PARAGRAPH                                                   
                     The examiner maintains that "said (the) secondary circuit through" lacks proper                      
              antecedent basis.  (See answer at page 4.)  We agree with the examiner.   Appellants                        
              merely provide a brief argument and identify line 23 of the claim as providing a proper                     
              antecedent basis for claimed element.  (See brief at page 6.)  Additionally, appellants                     
              rely upon the proposed amendment to the claims to  remedy the deficiency.  This                             
              proposed amendment was denied entry by the examiner and is therefore not before us.                         
              We consider the claim language as it stands unamended and the sole argument                                 
              presented thereto by appellants.   Considering the language of the claim, we agree                          


              with the examiner  that "the secondary circuit" in lines 23, 26 and 27 lacks  proper                        
              antecedent basis.  It is unclear whether the secondary circuit is an additional element to                  
              the claimed circuit arrangement or refers to the "second circuit" or to the "secondary                      
              winding" of the transformer.  When we refer to the specification to interpret the claim                     
              language, we find a specification that is quite brief and does not clearly define the                       

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