(September 28, 2016, 7:25 AM EDT) -- ATLANTA — An insurer tells the 11th Circuit U.S. Court of Appeals in a July 8 filing that a lower court ruling that it is estopped from contesting coverage should be reversed because it had not reserved its rights for an allegedly noncovered claim in a timely manner (Canal Indemnity Company v. Ronald Richardson, et al., No. 16-11525, 11th Cir.)....