USPTO trademark record

COLOG

Dead mark · Owner Layne Christensen Company · Classes 42

Mark details

Owner: Layne Christensen Company
Serial number: 75863223
Registration number: 2415660
Status: CANCELLED - SECTION 8 (dead)
Classes: 42 (Software / tech services (SaaS, design, hosting))
Filed: 1999-12-06
Registered: 2000-12-26
Goods / services: BOREHOLE LOGGING AND EVALUATION

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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