USPTO trademark record

TBLOCKSURE

Live registered mark · Owner Weatherford/Lamb, Inc. · Classes 1

Mark details

Owner: Weatherford/Lamb, Inc.
Serial number: 86210029
Registration number: 4601546
Status: REGISTERED AND RENEWED
Classes: 1 (Chemicals)
Filed: 2014-03-04
Registered: 2014-09-09
Goods / services: Self-degradable temporary blocking agent used in the oil and gas industry for reservoir stimulation treatments to temporarily block and/or divert fluid from the formation matrix, fractures, and/or pe…

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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