Ex parte CURTIS et al. - Page 3




                 Appeal No. 1997-1497                                                                                                                   
                 Application No. 08/059,693                                                                                                             


                          Claims 1 through 15 stand rejected under 35 U.S.C. § 103                                                                      
                 as unpatentable over Ashton in view of Blass or Lorch.1                                                                                
                                                                     OPINION                                                                            
                          We have carefully reviewed the claims, specification and                                                                      
                 applied prior art, including all of the arguments advanced by                                                                          
                 both the examiner and appellants in support of their                                                                                   
                 respective positions.  This review leads us to conclude that                                                                           
                 the examiner’s § 103 rejection is not well founded.                                                                                    
                 Accordingly, we will not sustain the examiner’s § 103                                                                                  
                 rejection for essentially those reasons set forth in the Brief                                                                         
                 and Reply Brief.  We add the following primarily for emphasis                                                                          
                 and completeness.                                                                                                                      
                          We find that Ashton discloses “a flavored dental floss                                                                        
                 formed of a plurality of individual filaments...”  See column                                                                          
                 2, lines 27-28.  These filaments “include...nylon...rayon,                                                                             
                 Dacron, acetate polymers [polyester], polypropylene and the                                                                            
                 like (emphasis supplied)”.  See column 2, lines 30-33.  “It is                                                                         
                 preferred to twist the individual filaments...to form the                                                                              


                          1The examiner has withdrawn the § 112 rejection of claims                                                                     
                 4, 5, 11 and 15 set forth in the final Office action dated                                                                             
                 Feb. 7, 1994, Paper No. 4.  See Answer, pages 1 and 2.                                                                                 
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