USPTO trademark record

SEMI-SPERSE

Live registered mark · Owner Cabot Corporation · Classes 1

Mark details

Owner: Cabot Corporation
Serial number: 74069266
Registration number: 1704025
Status: REGISTERED AND RENEWED
Classes: 1 (Chemicals)
Filed: 1990-06-15
Registered: 1992-07-28
Goods / services: fumed silica dispensed in water used to polish semiconductors

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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