USPTO serial 90044030
ENERPLEX
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Apr 13, 2021
- Examiner
- MAIHOS, JESSIE ANDREA
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
This registration is in, or will soon enter, a USPTO maintenance window. Missing a Section 8 or Section 9 filing can cancel the registration.
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Owner
San Po Kong, Kowloon, HK
San Po Kong, Kowloon, HK
LAS VEGAS, NV, US
Walpole, MA, HK
BREA, CA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Chelseaa Larsen
Chelseaa Larsen Sheppard Mullin Richter & Hampton, LLP1540 El Camino Real, Suite 120Menlo Park, CA 94025United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | [ Weighing equipment, namely, scales and balances ] | SECTION 7(e) - CANCELLED | Aug 31, 2018 |
| 010 | Face masks for use by dental care providers; Face masks for use by health care providers; Face coverings being sanitary masks for protection against viral infection | ACTIVE | May 25, 2020 |
| 020 | [ Pillows ] | SECTION 7(e) - CANCELLED | Aug 31, 2018 |
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 MAYFAIR BRANDS LIMITED
- Other trademarks owned by MAYFAIR BRANDS LIMITED
- Other trademarks owned by MAYFAIR AIR, INC.
- Other trademarks owned by MAYFAIR BRANDS LIMITED
- Other trademarks owned by LIOWN CAPITAL CORPORATION
- Other trademarks in Class 009
- Other trademarks in Class 010
- Other trademarks in Class 020
- Similar marks named ENERPLEX
- Recently changed USPTO trademarks
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- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 26, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 26, 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. |
| May 26, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 26, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 26, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Apr 13, 2026 | REM1 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED | — |
| Mar 19, 2026 | PRA7 | REGISTERED - SEC. 7 REQUEST ABANDONED | — |
| Sep 8, 2025 | PRAM | POST REGISTRATION ACTION MAILED - SEC. 7 | — |
| Aug 25, 2025 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Aug 25, 2025 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Aug 21, 2025 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Jul 25, 2025 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| May 28, 2025 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Apr 22, 2025 | ES7R | TEAS SECTION 7 REQUEST RECEIVED | — |
| Jan 23, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jan 23, 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. |
| Jan 23, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jan 23, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jan 23, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jan 8, 2025 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Aug 22, 2024 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Dec 19, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 19, 2022 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Dec 19, 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. |
| Dec 19, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Dec 14, 2022 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Dec 14, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 14, 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. |
| Dec 14, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Dec 14, 2022 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Aug 13, 2022 | CORV | REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED | — |
| Aug 6, 2022 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jul 26, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jul 26, 2022 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Jul 26, 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. |
| Jul 26, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jun 27, 2022 | A7OK | AMENDMENT UNDER SECTION 7 - PROCESSED | — |
| Jun 27, 2022 | DPCC | DIVISIONAL PROCESSING COMPLETE | — |
| Jun 23, 2022 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| May 18, 2022 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 18, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 18, 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. |
| May 18, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 18, 2022 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| May 16, 2022 | EROP | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED | — |
| May 11, 2022 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Mar 30, 2022 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jan 28, 2022 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jan 28, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jan 28, 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. |
| Jan 28, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jan 28, 2022 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jan 14, 2022 | PRAM | POST REGISTRATION ACTION MAILED - SEC. 7 | — |
| Jan 5, 2022 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Oct 13, 2021 | DRRR | DIVISIONAL REQUEST RECEIVED | — |
| Oct 13, 2021 | ERTR | TEAS REQUEST TO DIVIDE REGISTRATION | — |
| Sep 22, 2021 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jul 21, 2021 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Apr 13, 2021 | 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. |
| Mar 10, 2021 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Mar 9, 2021 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Mar 9, 2021 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Mar 9, 2021 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Mar 9, 2021 | 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. |
| Mar 8, 2021 | 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. |
| Mar 8, 2021 | 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. |
| Mar 8, 2021 | CNRT | SU - 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. |
| Feb 10, 2021 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Feb 8, 2021 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Jan 20, 2021 | IUAF | USE AMENDMENT FILED | — |
| Jan 20, 2021 | 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. |
| Jan 19, 2021 | 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. |
| Nov 24, 2020 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Nov 24, 2020 | 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. |
| Nov 4, 2020 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Oct 20, 2020 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Oct 20, 2020 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Oct 20, 2020 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Oct 20, 2020 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Oct 20, 2020 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Oct 19, 2020 | DOCK | ASSIGNED TO EXAMINER | — |
| Aug 5, 2020 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jul 13, 2020 | NWAP | NEW APPLICATION ENTERED | — |