Legal Representation
Attorney
Christopher J. Schulte
USPTO Deadlines
Next Deadline
3549 days remaining
Section 8 & 9 Renewal Due (Principal Register) (Based on registration date 19650921)
Due Date
September 21, 2035
Grace Period Ends
March 21, 2036
Application History
33 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Dec 31, 2025 | NA89 | E | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | Loading... |
| Dec 31, 2025 | RNL4 | Q | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) | Loading... |
| Dec 31, 2025 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Dec 30, 2025 | APRE | A | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | Loading... |
| Sep 22, 2025 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Sep 21, 2024 | REM2 | E | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | Loading... |
| Jan 27, 2022 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Jan 27, 2022 | EWOR | I | TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED | Loading... |
| Jan 27, 2022 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Jan 27, 2022 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Apr 23, 2018 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Jul 9, 2017 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Jul 9, 2017 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Jul 4, 2017 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Mar 31, 2017 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Oct 27, 2015 | NA89 | E | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | Loading... |
| Oct 27, 2015 | RNL3 | Q | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) | Loading... |
| Oct 27, 2015 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Oct 27, 2015 | APRE | A | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | Loading... |
| Sep 17, 2015 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Jul 6, 2011 | CHAN | I | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | Loading... |
| Jul 6, 2011 | COAR | I | TEAS CHANGE OF OWNER ADDRESS RECEIVED | Loading... |
| Jul 6, 2011 | CHAN | I | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | Loading... |
| Jul 6, 2011 | COAR | I | TEAS CHANGE OF OWNER ADDRESS RECEIVED | Loading... |
| Jan 27, 2009 | CFIT | O | CASE FILE IN TICRS | Loading... |
| Sep 26, 2005 | RNL2 | Q | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | Loading... |
| Sep 26, 2005 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Sep 26, 2005 | PLGL | A | ASSIGNED TO PARALEGAL | Loading... |
| Aug 24, 2005 | 89AF | I | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | Loading... |
| Aug 24, 2005 | 89AF | I | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | Loading... |
| Aug 24, 2005 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Sep 21, 1985 | REN1 | R | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | Loading... |
| Mar 29, 1985 | 9.AF | I | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | Loading... |
Detailed Classifications
Class 001
GRANULATED POLYMERS FOR OIL WELL DRILLING FLUID ADDITIVE
First Use Anywhere:
Oct 25, 1960
First Use in Commerce:
Oct 25, 1960
Classification
International Classes
001