USPTO trademark record

BLOCKMASTER

Live registered mark · Owner JSR Corporation · Classes 1

Mark details

Owner: JSR Corporation
Serial number: 77282566
Registration number: 3501017
Status: REGISTERED AND RENEWED
Classes: 1 (Chemicals)
Filed: 2007-09-18
Registered: 2008-09-16
Goods / services: Chemicals for use in industry and science; Polymer-based chemical agents in liquid or powder form used for the surface modification of drug particles; and unprocessed plastics in all forms

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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