BLACKSTAR
Live / Registered — Registered and renewed (as of 25 Oct 2016)
What this means for you
Registered since 15 Aug 2006. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 15 Aug 2016).
Record
- Serial number
- 76351887
- Registration number
- 3130199
- Mark type
- Word mark
- Filed
- 20 Dec 2001
- Published for opposition
- 17 May 2005
- Registered
- 15 Aug 2006
- Next maintenance due
- 15 Aug 2016
- Attorney of record
- Gregory L. Maag
Goods and services
- Class 009 — Scientific and electric apparatus: downhole well drilling tools, namely electromagnetic measurement-while-drilling tools
Owner
- GRANT PRIDECO, INC., HOUSTON, TX, US
- NOV NORTH AMERICA I/P, LLC, HOUSTON, TX, US
- NATIONAL OILWELL VARCO, L.P., HOUSTON, TX, US
- NQL ENERGY SERVICES INC., Nisku, Alberta, CA
- NQL ENERGY SERVICES INC., Nisku, Alberta, CA
- NQL Drilling Tools, Inc., Nisku, Alberta, CA
Prosecution history
- 15 Aug 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 24 Jan 2024 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 14 Jun 2023 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 14 Jun 2023 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 14 Jun 2023 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 14 Jun 2023 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 14 Jun 2023 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 29 Mar 2019 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 29 Mar 2019 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 25 Oct 2016 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 25 Oct 2016 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 25 Oct 2016 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 25 Oct 2016 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 17 Aug 2016 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 09 Aug 2016 — TEAS SECTION 8 & 9 RECEIVED