U.S. federal trademark · Serial No. 85063953 · Reg. No. 3934129
Non-metal gaskets for pipelines; Non-metal seals for use in pipeline joints; Non-metal seals for flange isolation pipe connections; Pipe gaskets; Pipe gaskets for oil and liquid chemical pipe; Rings of rubber for use as pipe connection seals; Sheets of graphite-based material for use as gaskets, seals, packings, and heat insulators
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.