U.S. federal trademark · Serial No. 77345311 · Reg. No. 3623944
Slag product, namely, abrasives in the form of blast grit and friction granules for use in finishing cleaning and abrading surfaces of all kinds
Non-metal roofing granules comprised primarily of coal slag for the manufacture of shingles, sheeting and other roofing surfaces
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.