USPTO trademark record

WELLFLEX

Dead mark · Owner Quicksilver Resources Inc. · Classes 7, 9, 11, 40, 42

Mark details

Owner: Quicksilver Resources Inc.
Serial number: 85521703
Registration number: 4307629
Status: CANCELLED - SECTION 8 (dead)
Classes: 7 (Machines), 9 (Software / electronics / downloadable media), 11 (Appliances / lighting), 40 (Treatment of materials), 42 (Software / tech services (SaaS, design, hosting))
Filed: 2012-01-20
Registered: 2013-03-26
Goods / services: Oil field equipment, namely, pig launchers and receivers; Oil field equipment, namely, well testing machines for testing the flowrates of production streams and meter runs; Oil field equipment, namel…

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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