Legal Representation
Attorney
Dyan M. House
USPTO Deadlines
Next Deadline
3514 days remaining
Section 8 & 9 Renewal Due (Principal Register) (Based on registration date 19850806)
Due Date
August 06, 2035
Grace Period Ends
February 06, 2036
Application History
29 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Nov 10, 2025 | NA89 | E | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | Loading... |
| Nov 10, 2025 | RNL3 | Q | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) | Loading... |
| Nov 10, 2025 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Nov 10, 2025 | APRE | A | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | Loading... |
| Jul 24, 2025 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Feb 26, 2025 | ASGN | I | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | Loading... |
| Aug 6, 2024 | REM2 | E | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | Loading... |
| Sep 23, 2019 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Sep 23, 2019 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| May 28, 2015 | NA89 | E | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | Loading... |
| May 28, 2015 | RNL2 | Q | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | Loading... |
| May 28, 2015 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| May 27, 2015 | ASCK | I | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | Loading... |
| May 26, 2015 | EROP | I | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED | Loading... |
| Apr 30, 2015 | PR89 | O | POST REGISTRATION ACTION MAILED - SEC. 8 & 9 | Loading... |
| Apr 28, 2015 | APRE | A | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | Loading... |
| Apr 14, 2015 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Nov 21, 2005 | RNL1 | Q | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | Loading... |
| Nov 21, 2005 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Oct 28, 2005 | PLGL | A | ASSIGNED TO PARALEGAL | Loading... |
| Aug 5, 2005 | 89AF | I | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | Loading... |
| Aug 5, 2005 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Nov 22, 1991 | C15A | O | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | Loading... |
| Jul 31, 1991 | 815F | I | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | Loading... |
| Aug 6, 1985 | R.PR | A | REGISTERED-PRINCIPAL REGISTER | Loading... |
| May 28, 1985 | PUBO | A | PUBLISHED FOR OPPOSITION | Loading... |
| Apr 26, 1985 | NPUB | O | NOTICE OF PUBLICATION | Loading... |
| Mar 29, 1985 | CNSA | O | APPROVED FOR PUB - PRINCIPAL REGISTER | Loading... |
| Mar 29, 1985 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
Detailed Classifications
Class 001
ADDITIVES FOR DRILLING FLUIDS OR MUD SYSTEMS USED IN DRILLING OIL WELLS
First Use Anywhere:
Oct 26, 1983
First Use in Commerce:
Oct 26, 1983
Classification
International Classes
001