USPTO trademark record

SHALEGUARD

Dead mark · Owner Smart Chemical Services LP · Classes 1

Mark details

Owner: Smart Chemical Services LP
Serial number: 85443962
Registration number: 4350911
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 2011-10-11
Registered: 2013-06-11
Goods / services: A well treatment fluid additive in the nature of a cationic iron chelating chemical additive for protecting pyrites in shale from attack by oxygen in well treatment fluids

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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