Mark Identification
DU-LITE DU-LITE STEEL COLORING PROCESS
Serial Number
71445411
Filing Date
Jul 17, 1941
Registration Date
Dec 23, 1941
Trademark by
Classification Information
Specially Prepared Chemical Compound Embodying a Combination of Nitrates and Hydroxides, and Particularly Useful as a Chemical Reactor in a Special Process for Coloring Steel
Metal Goods