TrademarkDir
ROCKBLOCK
LIVE

Serial Number

87774965

Owner

DORF KETAL WELL SERVICES, LLC

Attorney

John P. Courtney

First Use Date

Sep 28, 2018

Filing Date

Jan 29, 2018

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ROCKBLOCK Trademark

Serial Number: 87774965 • Registration: 5704781

ROCKBLOCK is a trademark filed by DORF KETAL WELL SERVICES, LLC on January 29, 2018. The trademark is classified under Class 1 (Chemicals). The application is currently registered and active.

Owner Contact Info

DORF KETAL WELL SERVICES, LLC (17 trademarks)

11490 Westheimer Rd., Ste 300
Houston, TX 77077

Entity Type: 16

IMPACT FLUID SOLUTIONS LP (30 trademarks)

2800 POST OAK BLVD., SUITE 2000
HOUSTON, TX 77056

Entity Type: 13

Trademark Details

Filing Date

January 29, 2018

Registration Date

March 19, 2019

First Use Anywhere

September 28, 2018

First Use in Commerce

September 28, 2018

Published for Opposition

July 3, 2018

Goods & Services

Drilling mud additive for use in oil and gas well drilling

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Jun 13, 2025 NA85
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jun 13, 2025 C15A
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Jun 13, 2025 APRE
TEAS SECTION 8 & 15 RECEIVED
Feb 20, 2025 E815
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jul 23, 2024 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jul 23, 2024 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jul 23, 2024 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Jul 23, 2024 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Jul 23, 2024 COAR
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Jun 28, 2024 ASGN
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Mar 19, 2024 REM1
REGISTERED-PRINCIPAL REGISTER
Mar 19, 2019 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Feb 15, 2019 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Feb 14, 2019 CNPR
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Feb 14, 2019 EXRA
STATEMENT OF USE PROCESSING COMPLETE
Feb 13, 2019 SUPC
SOU EXTENSION 1 GRANTED
Feb 13, 2019 EX1G
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Feb 13, 2019 AITU
USE AMENDMENT FILED
Feb 6, 2019 IUAF
SOU EXTENSION 1 FILED
Feb 6, 2019 EXT1
SOU TEAS EXTENSION RECEIVED
Feb 6, 2019 EEXT
TEAS STATEMENT OF USE RECEIVED
Feb 6, 2019 EISU
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Aug 28, 2018 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jul 3, 2018 NPUB
PUBLISHED FOR OPPOSITION
Jul 3, 2018 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jun 13, 2018 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
May 24, 2018 CNSA
EXAMINER'S AMENDMENT ENTERED
May 24, 2018 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
May 24, 2018 GNEN
EXAMINERS AMENDMENT E-MAILED
May 24, 2018 GNEA
EXAMINERS AMENDMENT -WRITTEN
May 24, 2018 CNEA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
May 12, 2018 GNRN
NON-FINAL ACTION E-MAILED
May 12, 2018 GNRT
NON-FINAL ACTION WRITTEN
May 12, 2018 CNRT
ASSIGNED TO EXAMINER
May 10, 2018 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 8, 2018 NWOS
NEW APPLICATION ENTERED
Feb 1, 2018 NWAP

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