USPTO trademark record

BIO-DRILL

Dead mark · Owner Milchem Incorporated · Classes 1

Mark details

Owner: Milchem Incorporated
Serial number: 74157815
Registration number: 1688616
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1991-04-16
Registered: 1992-05-26
Goods / services: drilling fluid additive; namely, a chemical composition for use in shale stability, anti-bit balling, and lubrication, in drilling subterranean wells

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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