USPTO serial 98415885
SULFUR SENTINEL
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Jul 21, 2026
- Examiner
- CHOSID, ROBIN S
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
Need help with SULFUR SENTINEL?
If you own this trademark, we can monitor new filings and help with USPTO deadlines. If you do not, we can file a new U.S. application.
Owner
Houston, TX, US
Houston, TX, US
Houston, TX, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Jonathan Pierce
Jonathan Pierce Porter Hedges LLPP.O. Box 4744Houston, TX 77210-4744United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 011 | Equipment for reducing hydrogen sulfide (H2S) contamination from hydrocarbon gas streams comprised of pressure vessels containing chemical adsorbent media for removing hydrogen sulfide from the gas stream | ACTIVE | Feb 25, 2020 |
| 037 | Installation of hydrogen sulfide treatment equipment for treating gas with excess hydrogen sulfide; maintenance of the performance of hydrogen sulfide treatment systems equipment, namely, replacement of chemical adsorbent media that captures and neutralizes the hydrogen sulfide, and disposal thereof, namely, the cleaning of the spent chemical adsorbent media scavenger from the hydrogen sulfide treatment system | ACTIVE | Feb 25, 2020 |
| 039 | Delivery of hydrogen sulfide treatment equipment for treating gas with excess hydrogen sulfide; disposal, namely, removal of spent chemical adsorbent media scavenger | ACTIVE | Feb 25, 2020 |
| 042 | On-site inspection and monitoring of the condition and performance of the chemical adsorbent media contained in hydrogen sulfide treatment equipment | ACTIVE | Feb 25, 2020 |
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 DNOW L.P.
- Other trademarks owned by DNOW L.P.
- Other trademarks owned by DNOW L.P.
- Other trademarks in Class 011
- Other trademarks in Class 037
- Other trademarks in Class 039
- Other trademarks in Class 042
- Similar marks named SULFUR SENTINEL
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 21, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Jul 21, 2026 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Jul 2, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Jul 2, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Jun 6, 2026 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Jun 6, 2026 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Feb 18, 2026 | IUAF | USE AMENDMENT FILED | — |
| Feb 18, 2026 | EISU | TEAS STATEMENT OF USE RECEIVED | The applicant filed a Statement of Use with specimens showing the mark in actual commerce. The USPTO will review the filing for compliance. If accepted, the mark can proceed to registration; if deficient, the USPTO may issue a requirement or office action. |
| Sep 2, 2025 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Jul 8, 2025 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Jul 8, 2025 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Jul 2, 2025 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jun 4, 2025 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jun 4, 2025 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Jun 4, 2025 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Jun 4, 2025 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Jun 4, 2025 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Jun 4, 2025 | ZZZX | PREVIOUS ALLOWANCE COUNT WITHDRAWN | — |
| May 23, 2025 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| May 23, 2025 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| May 23, 2025 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| May 23, 2025 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| May 23, 2025 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Apr 2, 2025 | DOCK | ASSIGNED TO EXAMINER | — |
| Mar 3, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Mar 3, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Mar 3, 2025 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | 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. |
| Dec 2, 2024 | XELG | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED | — |
| Dec 2, 2024 | XELR | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED | — |
| Sep 2, 2024 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Sep 2, 2024 | GNRT | NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Sep 2, 2024 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Aug 31, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| Jun 28, 2024 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Feb 22, 2024 | NWAP | NEW APPLICATION ENTERED | — |