Ex Parte MITCHELL et al - Page 7




          Appeal No. 2002-1798                                                        
          Application 09/238,804                                                      

          Thus, Carey teaches using different colors to indicate speeds               
          above and below the speed limit, albeit not of the indicator                
          digits themselves.  It is not known why the examiner did not rely           
          on Carey.  Second, Strickland describes Clegg, U.S. Patent                  
          3,054,087, in the background of the invention, as a traffic                 
          warning system where Figs. 2A and 2B "have indicia that light up            
          when the predetermined speed is exceeded" (col. 2, lines 10-11).            
          Thus, Strickland teaches providing a visual indication when a               
          speed limit is exceeded, which provides motivation for providing            
          specific visual indications.  The examiner did not mention or               
          rely on this part of Strickland in the rejection.  Third, Clegg             
          teaches that the speeding light indicator can be steady state or            
          flashing (col. 2, lines 24-25) and that the word "Exceeding" in a           
          different color than the rest of the sign can be illuminated to             
          indicate speeding (col. 3, lines 8-43).  Thus, Clegg teaches a              
          flashing light to indicate speeding.  The addition of Carey and             
          Clegg to the rejection would strengthen the rejection and                   
          simplify the arguments.  It also seems that Carey is a much                 
          better reference than McClellan.                                            







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