Ex parte YAMANAKA - Page 7




          Appeal No. 1999-2370                                       Page 7           
          Application No. 08/890,744                                                  


               diameter greater than the diameter of the threaded                     
               section (542); and                                                     
                    wherein the head (541) defines a multiple-sided                   
               tool-engaging hole (59) which extends axially into the                 
               threaded section (542).                                                



               We now turn to the examiner's rejection of claim 25.  The              
          examiner found (final rejection, p. 2) that                                 
               Sedgwick discloses a bolt comprising a head (20) and a                 
               threaded section (27) with a flange (26) therebetween.                 
               The bolt includes a tool-engaging hole extending through               
               both the head and threaded sections.  Sedgwick discloses               
               a head and the threaded section being the same diameter.               

          The examiner then determined that                                           
               it would have been obvious matter of design choice for                 
               one of ordinary skill in the art to change the relative                
               sizes of the bolt including wherein the threaded section               
               is greater than the head because the relative sizes are                
               not critical.  Furthermore, a larger threaded portion                  
               would strengthen the threaded connection.                              


               We agree with the argument of the appellant that there is              
          no evidence in the applied prior art (i.e., Sedgwick) that                  
          would have suggested modifying the diameter of Sedgwick's                   
          threaded section (27) to have a diameter greater than the                   
          diameter of the head (20).  Evidence of a suggestion,                       








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