Ex Parte STEWART et al - Page 17




            Appeal No. 2001-2019                                                                      
            Application No. 08/996,567                                           Page 17              


            supra, with respect to Berry, III and Markl and affirm the                                
            rejection of claims 2 and 7 under 35 U.S.C. § 103(a).                                     
                  We turn next to the rejection of claim 3 under 35 U.S.C.                            
            § 103(a) as unpatentable over Berry, III in view of Markl and                             
            Tigwell.  Appellants (brief, page 7) acknowledge that Tigwell                             
            teaches the utilization of a synchronizing signal to                                      
            simultaneously flash plural lights, but assert that "there is                             
            still no teaching or suggestion in any of the cited reference to                          
            combine them in a way such that the voltage is changed on the                             
            power lines to control the timing of the visual and audible                               
            alarms."  We observe that appellants' argument is directed to the                         
            limitations of claim 1, from which claim 3 depends.  In view of                           
            our findings, supra, with respect to Berry, III, Markl, and the                           
            teachings of Tigwell of providing a synchronizing signal to                               
            synchronize a plurality of lanterns (col. 1, line 67 through col.                         
            2, line 2 and col. 2, lines 3-7), we are not convinced of any                             
            error on the part of the examiner.  Accordingly, the rejection of                         
            claim 3 under 35 U.S.C. § 103(a) is affirmed.                                             



                  We turn next to the rejection of claim 4 under 35 U.S.C.                            









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