Ex parte FREDERICKSON et al. - Page 22




                 Appeal No. 1999-1765                                                                                    Page 22                        
                 Application No. 08/839,193                                                                                                             


                 through a plate a sufficient distance to allow an end cap to                                                                           
                 be attached thereto.  Jabsen shows tube 12, 26 that merely                                                                             
                 slips through opening 16A in grid 13.  Sleeve 27, of Jabsen,                                                                           
                 is subsequently  slipped over tube 12, 26 and threaded into                                                                            
                 opening 16A, with nut 28 then attached thereto.  While the                                                                             
                 tube of Jabsen does extend through a plate, with a nut or “end                                                                         
                 cap” subsequently attached thereto, in our view there is no                                                                            
                 motivation or incentive present in the teachings of either                                                                             
                 Meier or Jabsen that would have led one of ordinary skill in                                                                           
                 this art to have modified Meier (i.e., extend tube 9 through                                                                           
                 plate 5, eliminate abutting nut 10 and substitute an end cap                                                                           
                 therefor) as taught by Jabsen, in the manner urged by the                                                                              
                 examiner.       4                                                                                                                      


                          Because of the foregoing, we will therefore not sustain                                                                       
                 the examiner’s rejection of claims 1, 10, 11 and 12 as being                                                                           
                 unpatentable over the combined teachings of Jabsen and Meier.                                                                          


                          4The mere fact that the prior art structure could be                                                                          
                 modified does not make such a modification obvious unless the                                                                          
                 prior art suggests the desirability of doing so.  See In re                                                                            
                 Gordon, 733 F.2d 900, 902, 221 USPQ 1125, 1127 (Fed. Cir.                                                                              
                 1984).                                                                                                                                 







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