Legal Representation
Attorney
Leon R. Legleiter
USPTO Deadlines
Next Deadline
79 days remaining
NOA E-Mailed - SOU Required
Due Date
April 23, 2026
Extension Available
Until October 23, 2026
Application History
33 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Oct 18, 2025 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| Oct 17, 2025 | EX3G | S | SOU EXTENSION 3 GRANTED | Loading... |
| Oct 17, 2025 | EXT3 | S | SOU EXTENSION 3 FILED | Loading... |
| Oct 17, 2025 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| Mar 19, 2025 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| Mar 18, 2025 | EX2G | S | SOU EXTENSION 2 GRANTED | Loading... |
| Mar 18, 2025 | EXT2 | S | SOU EXTENSION 2 FILED | Loading... |
| Mar 18, 2025 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| Oct 17, 2024 | EXRA | E | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | Loading... |
| Oct 17, 2024 | EX1G | S | SOU EXTENSION 1 GRANTED | Loading... |
| Oct 17, 2024 | EXT1 | S | SOU EXTENSION 1 FILED | Loading... |
| Oct 17, 2024 | EEXT | I | SOU TEAS EXTENSION RECEIVED | Loading... |
| Apr 23, 2024 | NOAM | E | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | Loading... |
| Mar 4, 2024 | NPUB | E | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | Loading... |
| Feb 27, 2024 | PUBO | A | PUBLISHED FOR OPPOSITION | Loading... |
| Feb 7, 2024 | NONP | E | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | Loading... |
| Feb 7, 2024 | NPUB | E | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | Loading... |
| Jan 22, 2024 | CNSA | P | APPROVED FOR PUB - PRINCIPAL REGISTER | Loading... |
| Jan 20, 2024 | TEME | I | TEAS/EMAIL CORRESPONDENCE ENTERED | Loading... |
| Jan 19, 2024 | CRFA | I | CORRESPONDENCE RECEIVED IN LAW OFFICE | Loading... |
| Jan 19, 2024 | TROA | I | TEAS RESPONSE TO OFFICE ACTION RECEIVED | Loading... |
| Nov 22, 2023 | GNRN | O | NOTIFICATION OF NON-FINAL ACTION E-MAILED | Loading... |
| Nov 22, 2023 | GNRT | F | NON-FINAL ACTION E-MAILED | Loading... |
| Nov 22, 2023 | CNRT | R | NON-FINAL ACTION WRITTEN | Loading... |
| Nov 22, 2023 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
| Mar 14, 2023 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Mar 14, 2023 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Mar 14, 2023 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Mar 14, 2023 | NWOS | I | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | Loading... |
| Mar 1, 2023 | CHAN | I | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | Loading... |
| Mar 1, 2023 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Mar 1, 2023 | COAR | I | TEAS CHANGE OF OWNER ADDRESS RECEIVED | Loading... |
| Feb 27, 2023 | NWAP | I | NEW APPLICATION ENTERED | Loading... |
Detailed Classifications
Class 001
Alumina-based ceramic particles for the reduction of microorganisms from water, air, and oil; alumina-based media featuring activated ceramic particles for drinking water purification
Class 011
Apparatus for purifying and reducing microorganisms from water, air, and oil featuring alumina-based ceramic particles; apparatus for drinking water purification featuring activated alumina-based ceramic particles
Classification
International Classes
001
011
Disclaimers
The following terms have been disclaimed and are not claimed as part of the trademark:
Specific Disclaimer
"CRYSTALS"