CLAYGUARD
Dead / Cancelled — Cancelled — Section 8 (as of 19 Sept 2025)
What this means for you
This registration has been cancelled; it no longer blocks anyone on its own. The name may be available, but check before relying on it — rights can also come from actual use, not only from the register.
Record
- Serial number
- 86348007
- Registration number
- 4695824
- Mark type
- Stylized text
- Filed
- 25 Jul 2014
- Published for opposition
- 16 Dec 2014
- Registered
- 03 Mar 2015
- Attorney of record
- Eryn Ace Fuhrer
Goods and services
- Class 001 — Chemicals: Additive used to inhibit hydration and swelling of clay materials in oil and gas drilling, stimulation, or work over operations
Owner
- THE LUBRIZOL CORPORATION, WICKLIFFE, OH, US
- LUBRIZOL OILFIELD SOLUTIONS, INC., WICKLIFFE, OH, US
- Weatherford/Lamb, Inc., Houston, TX, US
- Weatherford/Lamb, Inc., Houston, TX, US
- Weatherford/Lamb, Inc., Houston, TX, US
Prosecution history
- 19 Sept 2025 — CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
- 03 Mar 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 12 Jul 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 12 Jul 2021 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 12 Jul 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 02 Mar 2021 — TEAS SECTION 8 & 15 RECEIVED
- 25 Mar 2020 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 03 Mar 2020 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 23 Nov 2016 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 03 Mar 2015 — REGISTERED-PRINCIPAL REGISTER
- 16 Dec 2014 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 16 Dec 2014 — PUBLISHED FOR OPPOSITION
- 26 Nov 2014 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 07 Nov 2014 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 07 Nov 2014 — ASSIGNED TO EXAMINER