ES71
TEAS SECTION 71 RECEIVED
03/30/2026
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Official data from USPTO
ENDURANCE HYDRAULIC SCREEN
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
ENDURANCE HYDRAULIC SCREEN
ST13
US500000079170904Class
7, 37, 42
Filing
79170904
Registration
5168867
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
65
Latest update
04/02/2026
Trademark type
Word
Nice classes
7, 37, 42
Filing date
08/21/2014
Registration date
03/28/2017
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
10/14/2022
Last transaction
04/02/2026
Responsible office
United States Patent and Trademark Office
Status code
706
Official register
Principal Register
Drawing code
4
Owner type
99
Owner location
London, GB
Examiner
LOTT, MAUREEN DALL
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
H. L. (pessoa física)
Darcy Technologies Limited
Representatives
Benjamin Ford
Technical classification
Nice Classes
Class 7Class 37Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 7
Downhole machine tools for controlling sand inflowdown-hole sand control system for use in oil or gas wells in the nature of activation chamber machines mounted on standard base pipes; Downhole machine tools for well formation stress controlhigh pressure high temperature (HPHT) machines featuring pre-drilled base pipe designs for water injectionall for wellbore support; Downhole machine tools for controlling sand inflow for use in zonal isolation and featuring sand control screens; Downhole machine tools for controlling sand inflowsand sorting machines; machinesmachine tools and power toolsapparatusequipment and machines used for the drilling and completion of oil and gas wellsall in the nature of machine tools for controlling sand inflow and machine tools for well formation stress control; downhole machinessand control screens; machine toolsdownhole tools and apparatus in the nature of sand control screensmachine tools for controlling sand inflow and machine tools for well formation stress control
Class 37
Deep water oil and gas well maintenance servicesdownhole well maintenance featuring installation of replacement partsfeaturing maintenance for wellbore supportsand controlflow control suited to deep water regionsmature fields and high pressure high temperature (HPHT) wells; gas well drilling and extraction services; well maintenance and remedial servicesmaintenance and cleaning of gas wells; rentalrepair and installation of equipment for use in the construction of gas wells; rentalrepair and installation of equipment for use in the operationrepairmaintenance and inspection of gas wellsrentalrepair and installation of cleaning equipment used in the operationrepairmaintenance and inspection of gas wells
Class 42
Engineering research and design services
Publications
History of USPTO decisions and trademark events.
65 publications found
REM4
COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED
03/28/2026
CORR
CORRECTION FROM IB ENTERED - NO REVIEW REQUIRED
09/30/2025
REIN
REINSTATED
09/29/2025
RINX
USPTO CORRECTION PROCESSED BY IB
09/05/2025
CRCV
CORRECTION TRANSACTION RECEIVED FROM IB
09/05/2025
RNWL
INTERNATIONAL REGISTRATION RENEWED
04/24/2025
DENA
NOTIFICATION OF EFFECT OF CANCELLATION OF INTL REG E-MAILED
03/08/2025
DETH
DEATH OF INTERNATIONAL REGISTRATION
03/08/2025
NA75
NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED
10/14/2022
C75A
REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.
10/14/2022
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/12/2022
ES75
TEAS SECTION 71 & 15 RECEIVED
04/22/2022
REM3
COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED
03/28/2022
NREP
NEW REPRESENTATIVE AT IB RECEIVED
10/02/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
10/26/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/26/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/26/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/26/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
10/26/2020
CHLD
CHANGE OF OWNER RECEIVED FROM IB
03/20/2020
NREP
NEW REPRESENTATIVE AT IB RECEIVED
04/11/2019
FINO
FINAL DECISION TRANSACTION PROCESSED BY IB
07/21/2017
FICS
FINAL DISPOSITION NOTICE SENT TO IB
07/01/2017
FIMP
FINAL DISPOSITION PROCESSED
07/01/2017
FICR
FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB
06/28/2017
R.PR
REGISTERED-PRINCIPAL REGISTER
03/28/2017
OPNX
NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB
02/10/2017
OPNS
NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB
01/25/2017
OPNR
NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB
01/25/2017
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
01/10/2017
PUBO
PUBLISHED FOR OPPOSITION
01/10/2017
GPNX
NOTIFICATION PROCESSED BY IB
01/06/2017
OPNS
NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB
12/21/2016
OP2R
NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB
12/21/2016
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
12/21/2016
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
12/08/2016
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/07/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/23/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/23/2016
ERFR
TEAS REQUEST FOR RECONSIDERATION RECEIVED
11/23/2016
GNS1
NOTIFICATION OF SUBSEQUENT FINAL EMAILED
10/05/2016
GNSF
SUBSEQUENT FINAL EMAILED
10/05/2016
CFRC
SUBSEQUENT FINAL REFUSAL WRITTEN
10/05/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
09/13/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
09/13/2016
ERFR
TEAS REQUEST FOR RECONSIDERATION RECEIVED
09/13/2016
GNFN
NOTIFICATION OF FINAL REFUSAL EMAILED
04/03/2016
GNFR
FINAL REFUSAL E-MAILED
04/03/2016
CNFR
FINAL REFUSAL WRITTEN
04/03/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
03/09/2016
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/09/2016
ALIE
ASSIGNED TO LIE
03/02/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/24/2016
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
02/24/2016
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/24/2016
RFNT
REFUSAL PROCESSED BY IB
09/12/2015
MAFR
APPLICATION FILING RECEIPT MAILED
08/25/2015
RFCS
NON-FINAL ACTION MAILED - REFUSAL SENT TO IB
08/24/2015
RFRR
REFUSAL PROCESSED BY MPU
08/24/2015
RFCR
NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW
08/23/2015
CNRT
NON-FINAL ACTION WRITTEN
08/22/2015
DOCK
ASSIGNED TO EXAMINER
08/21/2015
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
08/21/2015
REPR
SN ASSIGNED FOR SECT 66A APPL FROM IB
08/20/2015
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