NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/19/2026
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Official data from USPTO
WINDROCK
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: 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
39
Latest update
08/19/2026
Trademark type
Word
Nice classes
42
Filing date
07/21/1994
Registration date
01/02/1996
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/19/2026
Last transaction
08/19/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
11/08/1989
First use in commerce
11/08/1989
Drawing code
1
Owner type
16
Owner location
Sugar Land, TX, US
Examiner
LYKOS, ANGELA
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
CHAMPIONX LLC
WINDROCK INC.
DELAWARE CAPITAL FORMATION, INC.
WINDROCK, INCORPORATED
WINDROCK, INCORPORATED
Representatives
Melissa LaBauve Munck Wilson Mandala LLP
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
research and development services in the field of monitoring internal combustion engines and analyzing oil
Publications
History of USPTO decisions and trademark events.
39 publications found
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
08/19/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/19/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/19/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
06/24/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/03/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/03/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/03/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/03/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/03/2026
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/10/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
01/02/2025
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/04/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
11/11/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
11/11/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/27/2018
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
09/10/2015
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
09/10/2015
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/10/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/10/2015
E89R
TEAS SECTION 8 & 9 RECEIVED
08/11/2015
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/01/2014
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/01/2014
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/08/2014
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
06/18/2014
CFIT
CASE FILE IN TICRS
06/12/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
01/13/2006
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/13/2006
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
10/25/2005
E89R
TEAS SECTION 8 & 9 RECEIVED
10/25/2005
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
02/23/2002
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
12/27/2001
R.PR
REGISTERED-PRINCIPAL REGISTER
01/02/1996
PUBO
PUBLISHED FOR OPPOSITION
10/10/1995
NPUB
NOTICE OF PUBLICATION
09/08/1995
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
07/28/1995
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
07/03/1995
CNRT
NON-FINAL ACTION MAILED
01/04/1995
DOCK
ASSIGNED TO EXAMINER
12/19/1994
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