(under subclass 257) Subject matter wherein the light is generated by means other than means which converts energy associated with an electric current into visible radiant energy.
SEE OR SEARCH THIS CLASS, SUBCLASS:
312+, for a nonelectric light source having a light pervious chimney.
382+, for supports for or with nonelectric light sources, particularly subclass 409 for ceiling-suspended supports and subclass 415 for standard-type supports.
