USPTO trademark record

M-I BAR

Dead mark · Owner M-I DRILLING FLUIDS COMPANY · Classes 1

Mark details

Owner: M-I DRILLING FLUIDS COMPANY
Serial number: 73729175
Registration number: 1565305
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1988-05-18
Registered: 1989-11-14
Goods / services: ADDITIVES FOR DRILLING FLUIDS FOR USE IN THE OIL WELL DRILLING INDUSTRY

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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