This sheet the essence of the constitution of the Coventry Arts Umbrella Ltd - A company limited by guarantee and not having share capital set up in 1968 and registered as a charity. The Umbrella had of course being going since 1955 but obviously achieved charitable status in 1968. This may have coincided with them achieving West Midlands Arts funding - I'm not sure. This site gives details - http://opencharities.org/charities/255821 It ceased to be one in 2001 according to this site.
It's charitable objectives were