INTR
TOTAL INVALIDATION OF REG EXT PROTECTION CREATED
01/16/2026
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Official data from USPTO
LIQUEFIN
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: CombinedOffice: United States
Quick snapshot
ST13
US500000079230190Class
4, 7, 11, 40, 42
Filing
79230190
Registration
5592649
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
42
Latest update
01/17/2026
Trademark type
Combined
Nice classes
4, 7, 11, 40, 42
Filing date
12/18/2017
Registration date
10/30/2018
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/16/2025
Last transaction
01/17/2026
Responsible office
United States Patent and Trademark Office
Status code
709
Official register
Principal Register
Drawing code
3
Owner type
99
Owner location
FR
Examiner
FALK,JONATHAN ROBERT
Law office
M20
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of a design of an infinity sign that is light blue on top and dark blue on the bottom to the left of the wording "LIQUEFIN" with "LIQUE" in gray and "FIN" in dark blue.
Holders and representatives
Holders
L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
Representatives
Jonathan M. Rixen Dennemeyer & Associates, LLC
Technical classification
Nice Classes
Class 4Class 7Class 11Class 40Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 4
Fuel gas; liquefied natural gas
Class 7
Compressors for gas compression; valvesvalves for pumpsservo-valvesvalves being parts of machines; regulators for machines; expansion turbines other than for land vehicles; fluid separatorsoil separators and centrifugal separators; machines and mechanical equipment dedicated to gaspetroleumchemical or petrochemical industry installationsoil refining machinesemulsifying machines for chemical processing; chemical product production apparatusdevices and installationspresses for chemical processingagitators for chemical processingextracting machines for chemical processing
Class 11
Installations and apparatus and structural components for fluid liquefactionseparation and evaporationcooling evaporatorsseparators for the cleaning and purification of liquids; gas condensers other than parts of machines; gas separation equipmentseparators for the cleaning and purification of gases; gas purification installations and equipmentgas purification machinesseparators for purification of gases; heat exchangers for natural gas or hydrocarbon gas not being parts of machines; apparatusinstallations and equipment for the treatment and liquefaction of hydrocarbon gas and natural gasionization apparatus for the treatment of gases for industrial commercial or agricultural usegas condensers other than parts of machines; gas production apparatusdevices and installationsgas generating furnacesfor industrial purposes
Class 40
Treatment of productsliquefaction of gas and particularly of natural gas; gas production services
Class 42
Engineering worktechnical consultationsplan preparationtechnical project studiesindustrial research and development servicesstudies and work provided by engineersappraisals in the nature of analysis of oil fieldsevaluations in the nature of quality evaluations of natural gas propertiesestimates in the nature of gas production estimatesresearch in the field of natural gas production and liquefactionpreparation of reports all in the fields production and liquefaction of gasparticularly natural gas
Publications
History of USPTO decisions and trademark events.
42 publications found
C71T
CANCELLED SECTION 71
05/16/2025
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
03/05/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/05/2025
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
03/05/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/05/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/05/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/20/2024
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
08/20/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/20/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/20/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
08/20/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
08/20/2024
REM3
COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED
10/30/2023
FINO
FINAL DECISION TRANSACTION PROCESSED BY IB
04/12/2019
XXSS
GENERIC MADRID TRANSACTION SENT TO IB
02/12/2019
XXCR
GENERIC MADRID TRANSACTION CREATED
02/11/2019
FICR
FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB
01/30/2019
R.PR
REGISTERED-PRINCIPAL REGISTER
10/30/2018
GPNX
NOTIFICATION PROCESSED BY IB
08/17/2018
PUBO
PUBLISHED FOR OPPOSITION
08/14/2018
OPNS
NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB
08/01/2018
OP2R
NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB
08/01/2018
NPUB
NOTICE OF PUBLICATION
07/25/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/24/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/24/2018
CNEA
EXAMINERS AMENDMENT MAILED
07/03/2018
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
07/03/2018
XAEC
EXAMINER'S AMENDMENT ENTERED
07/03/2018
CNEA
EXAMINERS AMENDMENT -WRITTEN
07/03/2018
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
06/26/2018
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
06/25/2018
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
06/25/2018
RFNT
REFUSAL PROCESSED BY IB
05/12/2018
RFCS
NON-FINAL ACTION MAILED - REFUSAL SENT TO IB
04/23/2018
RFRR
REFUSAL PROCESSED BY MPU
04/23/2018
MAFR
APPLICATION FILING RECEIPT MAILED
04/20/2018
RFCR
NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW
04/19/2018
CNRT
NON-FINAL ACTION WRITTEN
04/18/2018
DOCK
ASSIGNED TO EXAMINER
04/16/2018
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/16/2018
REPR
SN ASSIGNED FOR SECT 66A APPL FROM IB
04/12/2018
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