USPTO trademark record

SMOOTH BORE

Dead mark · Owner M-I L.L.C. · Classes 1

Mark details

Owner: M-I L.L.C.
Serial number: 75574947
Registration number: 2380506
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1998-03-25
Registered: 2000-08-29
Goods / services: Petroleum industry chemicals, namely, a drilling fluid additive for use in the well drilling and tunnel boring industries

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

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