Canal death dog-walker had a heart attack
Two joggers helped to pull Mr Mayock out of the water and he was rushed to Royal Blackburn Hospital, where he was prounced dead.
Police launched an investigation, but found no suspicious circumstances.
Pathologist Dr Walid Salman, who conducted a post-mortem examination, gave the cause of death as ischemic miocardial fibrosis due to coronary atheroscolosis.
East Lancashire Coroner Mr Richard Taylor recorded a conclusion of natural causes.