Ex parte LABUHN et al. - Page 6




                 Appeal No. 1999-2764                                                                                                                   
                 Application No. 08/863,228                                                                                                             


                 and 12 does not exceed a predetermined spacing, as claimed.                                                                            
                 Chakraborty does not cure this deficiency, for even if one of                                                                          
                 ordinary skill were to modify the Deering system in view of                                                                            
                 Chakraborty, the result would be the addition of a special                                                                             
                 warning the vehicle operator if a collision with the preceding                                                                         
                 vehicle were predicted.   We fail to see how the method as2                                                                                            
                 recited in claim would read on the operation of such a system.                                                                         
                          The combination of Labuhn and Chakraborty is considered                                                                       
                 deficient for the same reasons.                                                                                                        
                          Accordingly, rejection (1) will not be sustained with                                                                         
                 respect to claim 1, nor, likewise, as to claims 4 and 10, the                                                                          
                 other independent claims on appeal, or as to dependent claims                                                                          
                 2, 3, 9 and 11.                                                                                                                        












                          2Moreover, it appears that Deering already discloses such                                                                     
                 a warning signal; See, e.g., col. 9, lines 38 to 50.                                                                                   
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