USPTO serial 72375762
BIASILL
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Jul 20, 1971
- Examiner
- —
- Law office
- GENERIC WEB UPDATE
What this means
Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection. Calendar the next Section 8 and 9 deadline in 10 years and maintain monitoring.
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Owner
WILMINGTON, DE, US
Wilmington, DE, US
E. I. DU PONT DE NEMOURS AND COMPANY
WILMINGTON, DE, US
Other trademarks owned by E. I. DU PONT DE NEMOURS AND COMPANY
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Joshua J. Burke
Joshua J. Burke Pirkey Barber PLLC1801 East 6th Street, Suite 300Austin, TX 78702United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | STAUROLITE SAND | ACTIVE | Oct 23, 1970 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by THE CHEMOURS COMPANY FC, LLC
- Other trademarks owned by THE CHEMOURS COMPANY TT, LLC
- Other trademarks owned by E. I. DU PONT DE NEMOURS AND COMPANY
- Other trademarks in Class 001
- Similar marks named BIASILL
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Mar 3, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Mar 3, 2026 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Mar 3, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Mar 28, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Mar 28, 2025 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Mar 28, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Mar 28, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Mar 28, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Nov 27, 2024 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Oct 15, 2021 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Oct 15, 2021 | RNL3 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Oct 15, 2021 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Oct 15, 2021 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jun 22, 2021 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jun 22, 2021 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jun 22, 2021 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jun 22, 2021 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jun 22, 2021 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jun 7, 2021 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Jul 20, 2020 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Jun 17, 2015 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jun 15, 2015 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jun 15, 2015 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Apr 15, 2015 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Nov 15, 2011 | RNL2 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Nov 15, 2011 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Nov 15, 2011 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Oct 12, 2011 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Sep 17, 2008 | CFIT | CASE FILE IN TICRS | — |
| Sep 27, 2005 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Oct 10, 2001 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Oct 10, 2001 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Jul 11, 2001 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Oct 10, 1991 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Sep 17, 1991 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |
| Feb 28, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |