USPTO trademark record

DURA-VIS

Dead mark · Owner Blacks Drilling Fluids, Inc. · Classes 1

Mark details

Owner: Blacks Drilling Fluids, Inc.
Serial number: 73379856
Registration number: 1254198
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1982-08-13
Registered: 1983-10-18
Goods / services: Filtrate Reducer and Viscosifier for Oil Well Drilling and Workover Fluids

Register data indexed 2026-11-07. Bulk records trail live filings — check the official USPTO search for the latest status before filing.

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