U.S. federal trademark · Serial No. 77511133 · Reg. No. 3567635
Gratings, fences, railings for stairs, [ balconies, and walkways, ] gates, [ window shutters, window frames, ] [ fire safety doors, ] [ stair-cases, ] steps, namely, stair treads, nuts, bolts, and suspended ceiling systems comprising panels and framework, all of the foregoing made of metal
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