The Murray Company still exists! They did indeed used to make bicycles, although they seem to be strictly lawn care products now...

http://www.murray.com/index.asp

It's possible that you could write to them and ask.

Could you list the components for us?

By the way, I am a neighbour of yours, slightly to the northeast (I'm in Kent). There are a lot of us Puget Sounders here in C & V--stringbreaker, caterham, gregam are just three that I can name right off the bat.

East Hill