U.S. federal trademark · Serial No. 77118111 · Reg. No. 5070198
Polyphenylene sulfide resins; unprocessed plastics, namely, plastics in primary form
Hollow bars made of polyphenylene sulfide for use in the manufacture of chemical mechanical polishing (CMP) rings used in semiconductors; plastic in the form of bars, blocks, pellets, rods, sheets, tubes and powder for use in manufacturing
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.