No longer lost according to a story in the L.A. Times of 17 July 1998.
Is on AFI's "Lost Films" list.
"Grandma Steps Out" is the title given to this originally silent short when it was re-released with a soundtrack, a few years after its first theatrical issue. That sound version was made by and for the Sound Film Distributing Corp. (New York) and Wardour Films (England).