USPTO trademark record

KUNLUN

Live registered mark · Owner PetroChina Company Limited · Classes 1, 4, 7, 37, 39, 40, 42

Mark details

Owner: PetroChina Company Limited
Serial number: 79037999
Registration number: 3436357
Status: SECTION 71 ACCEPTED
Classes: 1 (Chemicals), 4 (Fuels), 7 (Machines), 37 (Construction / repair), 39 (Transport / travel), 40 (Treatment of materials), 42 (Software / tech services (SaaS, design, hosting))
Filed: 2007-01-22
Registered: 2008-05-27
Goods / services: Solidified gases for industrial purposes; acids, namely, formic acid and boric acid; salts for industrial purposes, namely magnesium salts and salts from rare earth metals; benzene-based acids; ethyl…

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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