Legal Representation
Attorney
Cynthia Johnson Walden
USPTO Deadlines
Next Deadline
1857 days remaining
Section 8 Declaration Due (Principal Register) (Based on registration date 20250128)
Due Date
January 28, 2031
Grace Period Ends
July 28, 2031
Additional deadlines exist. Contact your attorney for complete deadline information.
Application History
38 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Sep 10, 2025 | ASGN | I | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | Loading... |
| Jan 28, 2025 | NRCC | E | NOTICE OF REGISTRATION CONFIRMATION EMAILED | Loading... |
| Jan 28, 2025 | R.PR | A | REGISTERED-PRINCIPAL REGISTER | Loading... |
| Jan 8, 2025 | SUNA | E | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | Loading... |
| Jan 8, 2025 | CNPR | P | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | Loading... |
| Jan 5, 2025 | SUPC | I | STATEMENT OF USE PROCESSING COMPLETE | Loading... |
| Oct 18, 2024 | IUAF | S | USE AMENDMENT FILED | Loading... |
| Jan 5, 2025 | AITU | A | CASE ASSIGNED TO INTENT TO USE PARALEGAL | Loading... |
| Oct 18, 2024 | EISU | I | TEAS STATEMENT OF USE RECEIVED | Loading... |
| Apr 30, 2024 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| Apr 29, 2024 | EX4G | S | SOU EXTENSION 4 GRANTED | Loading... |
| Apr 29, 2024 | EXT4 | S | SOU EXTENSION 4 FILED | Loading... |
| Apr 29, 2024 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| Nov 7, 2023 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| Nov 3, 2023 | EX3G | S | SOU EXTENSION 3 GRANTED | Loading... |
| Nov 3, 2023 | EXT3 | S | SOU EXTENSION 3 FILED | Loading... |
| Nov 3, 2023 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| May 4, 2023 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| May 2, 2023 | EX2G | S | SOU EXTENSION 2 GRANTED | Loading... |
| May 2, 2023 | EXT2 | S | SOU EXTENSION 2 FILED | Loading... |
| May 2, 2023 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| Nov 24, 2022 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| Nov 24, 2022 | NOAC | E | CORRECTED NOA E-MAILED | Loading... |
| Nov 23, 2022 | EX1G | S | SOU EXTENSION 1 GRANTED | Loading... |
| Nov 3, 2022 | EXT1 | S | SOU EXTENSION 1 FILED | Loading... |
| Nov 23, 2022 | DPCC | D | DIVISIONAL PROCESSING COMPLETE | Loading... |
| Nov 3, 2022 | DRRR | I | DIVISIONAL REQUEST RECEIVED | Loading... |
| Nov 21, 2022 | AITU | A | CASE ASSIGNED TO INTENT TO USE PARALEGAL | Loading... |
| Nov 3, 2022 | ERTD | I | TEAS REQUEST TO DIVIDE RECEIVED | Loading... |
| Nov 3, 2022 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| May 3, 2022 | NOAM | E | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | Loading... |
| Mar 8, 2022 | NPUB | E | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | Loading... |
| Mar 8, 2022 | PUBO | A | PUBLISHED FOR OPPOSITION | Loading... |
| Feb 16, 2022 | NONP | E | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | Loading... |
| Jan 28, 2022 | CNSA | P | APPROVED FOR PUB - PRINCIPAL REGISTER | Loading... |
| Jan 27, 2022 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
| Aug 16, 2021 | NWOS | I | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | Loading... |
| May 21, 2021 | NWAP | I | NEW APPLICATION ENTERED | Loading... |
Detailed Classifications
Class 037
Ceramic membrane filtration plant maintenance; installation of upgrades to polymeric filtration systems; installation of upgrades to ceramic membrane and ceramic filter systems; installation and maintenance of ceramic membrane and ceramic filter systems; installation of ozone systems to ceramic systems
First Use Anywhere:
Feb 2, 2017
First Use in Commerce:
Feb 2, 2017
Additional Information
Pseudo Mark
NANO STONE
Classification
International Classes
037