USPTO serial 72301392
UNIT-TANDEM
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Dec 17, 1968
- 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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Current trademark owner
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Owner
BLUE BELL, PA, US
KEYSTONE INTERNATIONAL HOLDINGS CORP.
HOUSTON, TX, US
Other trademarks owned by KEYSTONE INTERNATIONAL HOLDINGS CORP.
Houston, TX, US
8200 SCHAFFHAUSEN, CH
PENTAIR VALVES & CONTROLS, INC.
HOUSTON, TX, US
HOUSTON, TX, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Allison H. Bickford
Allison H. Bickford Quarles & Brady LLP411 East Wisconsin Avenue, Suite 2400Milwaukee, WI 53202-4428United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 013 | BLOW-OFF VALVES | ACTIVE | — |
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 YARWAY CORPORATION
- Other trademarks owned by KEYSTONE INTERNATIONAL HOLDINGS CORP.
- Other trademarks owned by EMERSON VULCAN HOLDING LLC
- Other trademarks owned by PENTAIR FLOW CONTROL AG
- Other trademarks owned by PENTAIR VALVES & CONTROLS, INC.
- Other trademarks owned by TYCO VALVES & CONTROLS INC.
- Other trademarks in Class 013
- Similar marks named UNIT-TANDEM
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 13, 2026 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Oct 13, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Oct 13, 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. |
| Oct 13, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 16, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Sep 16, 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. |
| Sep 16, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 16, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Sep 16, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Mar 3, 2022 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Mar 3, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Mar 3, 2022 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Mar 3, 2022 | 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, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Mar 3, 2022 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jul 22, 2019 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Jul 22, 2019 | 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. |
| Jul 22, 2019 | 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 22, 2019 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jun 17, 2019 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Oct 24, 2018 | 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. |
| Oct 24, 2018 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Dec 17, 2017 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Oct 4, 2017 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Oct 4, 2017 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Sep 6, 2017 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Sep 14, 2016 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Sep 7, 2016 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Oct 16, 2013 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Sep 28, 2012 | 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. |
| Sep 28, 2012 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 16, 2009 | 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. |
| May 16, 2009 | 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. |
| May 12, 2009 | PLGL | ASSIGNED TO PARALEGAL | — |
| May 8, 2009 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Apr 27, 2009 | 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. |
| Apr 27, 2009 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Feb 13, 2009 | CFIT | CASE FILE IN TICRS | — |
| Dec 13, 2006 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Mar 7, 2006 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Sep 23, 2005 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 17, 1988 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |
| Oct 31, 1988 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |