REM4
COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED
05/08/2026
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Official data from USPTO
DEN2O
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
73
Latest update
05/09/2026
Trademark type
Combined
Nice classes
1, 7, 37, 42
Filing date
11/10/2004
Registration date
05/08/2007
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/03/2017
Last transaction
05/09/2026
Responsible office
United States Patent and Trademark Office
Status code
707
Official register
Principal Register
Drawing code
5
Owner type
99
Owner location
DE
Examiner
POWERS, ALEXANDER L
Law office
L10
Holders and representatives
Holders
thyssenkrupp AG
ThyssenKrupp Industrial Solutions AG
Uhde GmbH
thyssenkrupp Uhde GmbH
Representatives
Gary W. Donohue Dinsmore & Shohl LLP
Technical classification
Nice Classes
Class 1Class 7Class 37Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
Chemical products for industrial and scientific applicationschemical catalysts withwithoutnoble and non-noble metalswithwithoutmetal and metal oxides in the form of bulk materials or carrier supported catalysts for the removal of nitrogen (II) oxide (N2O)
Class 7
Apparatusesdevices and combinations thereof and members or components of such a naturenamely cleaning appliances using steamdisintegratorscondensorscatalytic convertersdust removing installations for cleaning purposesgas condensors and air condensorsall of the foregoing for the removal of environmentally hazardous compounds from waste gasesespecially for the reduction or removal of nitrogen (II) oxide (N2O) through catalytic chemical decomposition or reduction of nitrogen (II) oxide (N2O)
Class 37
Installationassemblyrepairservicing and maintenance of gas scrubbers for the removal of environmentally hazardous compounds from waste gases by the reduction or removal of nitrogen (II) oxide (N2O)
Class 42
Engineering services related to the process technology of gas scrubbers for the removal of environmentally hazardous compounds from waste gases by the reduction or removal of nitrogen (II) oxide (N2O); services of a consulting engineer related to project planningdesignsupervision of assemblycommissioningoperationinspectionservicingmaintenancerevampingexpansion and demolition of chemical and other industrial plants; engineering services related to licensing procedures for official permits and environmental impact studies required for the process technology of gas scrubbers; computer programming for others for the operation of apparatus for the reduction or removal of nitrogen (II) oxide (N2O); development of chemical production methodsoff gas removing methods and gas scrubbing methods for the reduction or removal of nitrogen (II) oxide (N2O); design of plantsnamely production and pilot factoriesproduction facilities for third parties; engineering services for other contractors in the field of reduction or removal of nitrogen (II) oxide (N2O)
Publications
History of USPTO decisions and trademark events.
73 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/04/2025
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
02/04/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/04/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/04/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/04/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/04/2025
RNWL
INTERNATIONAL REGISTRATION RENEWED
08/29/2024
CHLD
CHANGE OF OWNER RECEIVED FROM IB
08/11/2023
INNP
PARTIAL INVALIDATION PROCESSED BY THE IB
03/16/2018
XXSS
GENERIC MADRID TRANSACTION SENT TO IB
01/19/2018
XXCR
GENERIC MADRID TRANSACTION CREATED
01/19/2018
INPR
PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED
01/03/2018
NA71
NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED
05/03/2017
71.P
REGISTERED - PARTIAL SEC 71 ACCEPTED
05/03/2017
ES71
TEAS SECTION 71 RECEIVED
04/27/2017
REM4
COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED
05/08/2016
NREP
NEW REPRESENTATIVE AT IB RECEIVED
02/19/2016
ADCH
CHANGE OF NAME/ADDRESS REC'D FROM IB
02/19/2016
RNWL
INTERNATIONAL REGISTRATION RENEWED
05/07/2015
NA15
SEC. 15 ACKNOWLEDGEMENT - E-MAILED
11/20/2013
NA71
NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED
11/20/2013
71AG
REGISTERED-SEC.71 ACCEPTED
11/20/2013
15AK
REGISTERED - SEC. 15 ACKNOWLEDGED
11/20/2013
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
11/20/2013
PR71
POST REGISTRATION ACTION MAILED - SEC.71
06/12/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/31/2013
71AF
REGISTERED-SEC.71 FILED
05/08/2013
15AF
REGISTERED - SEC. 15 AFFIDAVIT FILED
05/08/2013
ES71
TEAS SECTION 71 RECEIVED
05/08/2013
E15R
TEAS SECTION 15 RECEIVED
05/08/2013
ADCH
CHANGE OF NAME/ADDRESS REC'D FROM IB
05/24/2012
FINO
FINAL DECISION TRANSACTION PROCESSED BY IB
08/01/2008
FICS
FINAL DISPOSITION NOTICE SENT TO IB
10/19/2007
FIMP
FINAL DISPOSITION PROCESSED
10/19/2007
FICR
FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB
10/09/2007
CRCV
CORRECTION TRANSACTION RECEIVED FROM IB
09/20/2007
NREP
NEW REPRESENTATIVE AT IB RECEIVED
07/20/2007
ADCH
CHANGE OF NAME/ADDRESS REC'D FROM IB
07/20/2007
R.PR
REGISTERED-PRINCIPAL REGISTER
05/08/2007
PUBO
PUBLISHED FOR OPPOSITION
02/20/2007
NPUB
NOTICE OF PUBLICATION
01/31/2007
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
12/28/2006
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/28/2006
ZZZX
PREVIOUS ALLOWANCE COUNT WITHDRAWN
12/28/2006
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
12/27/2006
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/27/2006
ALIE
ASSIGNED TO LIE
12/20/2006
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
11/22/2006
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
11/21/2006
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/21/2006
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/21/2006
DOCK
ASSIGNED TO EXAMINER
11/20/2006
NREP
NEW REPRESENTATIVE AT IB RECEIVED
11/16/2006
GNFR
FINAL REFUSAL E-MAILED
06/02/2006
CNFR
FINAL REFUSAL WRITTEN
06/02/2006
XAEC
EXAMINER'S AMENDMENT ENTERED
06/02/2006
GNEA
EXAMINERS AMENDMENT E-MAILED
06/02/2006
CNEA
EXAMINERS AMENDMENT -WRITTEN
06/02/2006
XAEC
EXAMINER'S AMENDMENT ENTERED
05/15/2006
GNEA
EXAMINERS AMENDMENT E-MAILED
05/15/2006
CNEA
EXAMINERS AMENDMENT -WRITTEN
05/15/2006
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/10/2006
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
04/28/2006
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/28/2006
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
04/28/2006
RFNT
REFUSAL PROCESSED BY IB
02/03/2006
RFCS
NON-FINAL ACTION MAILED - REFUSAL SENT TO IB
01/17/2006
RFCR
NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW
01/12/2006
CNRT
NON-FINAL ACTION WRITTEN
01/11/2006
DOCK
ASSIGNED TO EXAMINER
12/27/2005
NWAP
NEW APPLICATION ENTERED
12/27/2005
REPR
SN ASSIGNED FOR SECT 66A APPL FROM IB
12/22/2005
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