Legal Representation
Attorney
Amy L. Greywitt
USPTO Deadlines
Next Deadline
891 days remaining
Section 8 Declaration Due (Principal Register)
Due Date
July 12, 2028
Grace Period Ends
January 12, 2029
Additional deadlines exist. Contact your attorney for complete deadline information.
Application History
15 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Jan 27, 2026 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Jan 27, 2026 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Jan 27, 2026 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Jan 27, 2026 | CHAN | I | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | Loading... |
| Jan 27, 2026 | COAR | I | TEAS CHANGE OF OWNER ADDRESS RECEIVED | Loading... |
| Jul 12, 2022 | NRCC | E | NOTICE OF REGISTRATION CONFIRMATION EMAILED | Loading... |
| Jul 12, 2022 | R.PR | A | REGISTERED-PRINCIPAL REGISTER | Loading... |
| Apr 26, 2022 | NPUB | E | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | Loading... |
| Apr 26, 2022 | PUBO | A | PUBLISHED FOR OPPOSITION | Loading... |
| Apr 6, 2022 | NONP | E | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | Loading... |
| Mar 24, 2022 | CNSA | O | APPROVED FOR PUB - PRINCIPAL REGISTER | Loading... |
| Mar 23, 2022 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
| Sep 16, 2021 | MDSM | E | NOTICE OF DESIGN SEARCH CODE E-MAILED | Loading... |
| Sep 15, 2021 | NWOS | I | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | Loading... |
| Jul 6, 2021 | NWAP | I | NEW APPLICATION ENTERED | Loading... |
Detailed Classifications
Class 040
Generation of energy via fusion of deuterium and helium-3; Production of energy via fusion of deuterium and helium-3; Production of electrical energy from renewable sources
First Use Anywhere:
Jun 22, 2021
First Use in Commerce:
Jun 22, 2021
Additional Information
Design Mark
The mark consists of a stylized letter H surrounded by a broken circle.
Pseudo Mark
HELION
Classification
International Classes
040