parts of machines, namely, [ rod scrappers and wipers, piston cups, ] U-seals, non-adjustable pump packings [ and wear rings, ] and expansion joints
Class 042
Computer & Software Services & Scientific Services
metal gaskets for use with a multitude of [ vehicular and ] industrial machinery, namely, standard ANSI pipe flanges, large vessels, refinery units, heat exchangers, [ valve bonnet gaskets, ] aircraft engines, steam traps, turbines, and higher temperature/pressure machines