BEN-EX
Live / Registered — Registered and renewed (as of 31 Dec 2025)
What this means for you
Registered since 21 Sept 1965. 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 21 Sept 2025).
Record
- Serial number
- 72146517
- Registration number
- 0796175
- Mark type
- Word mark
- Filed
- 08 Jun 1962
- Registered
- 21 Sept 1965
- Next maintenance due
- 21 Sept 2025
- Attorney of record
- Christopher J. Schulte
Goods and services
- Class 001 — Chemicals: GRANULATED POLYMERS FOR OIL WELL DRILLING FLUID ADDITIVE
Owner
- CP KELCO U.S., INC., Atlanta, GA, US
- MERCK & CO., INC., RAHWAY, NJ, US
- ROTARY DRILLING SERVICES, INC., TULSA, OK, US
Prosecution history
- 31 Dec 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 31 Dec 2025 — REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
- 31 Dec 2025 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 30 Dec 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 22 Sept 2025 — TEAS SECTION 8 & 9 RECEIVED
- 21 Sept 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 27 Jan 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 27 Jan 2022 — TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
- 27 Jan 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 27 Jan 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 23 Apr 2018 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 09 Jul 2017 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 09 Jul 2017 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 04 Jul 2017 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 31 Mar 2017 — TEAS CHANGE OF CORRESPONDENCE RECEIVED