The .404 Rimless Nitro Express was introduced by Jeffery for their bolt action rifles around 1910. It was designed to replicate the ballistics of the popular 450/400 and rifles were made by various well known makers at the time which included Jeffery, Cogswell & Harrison and Westley Richards. 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.