HYDRONOS CORPORATION Trademark
Trademark Overview
On Thursday, October 9, 2025, a trademark application was filed for HYDRONOS CORPORATION with the United States Patent and Trademark Office. The USPTO has given the HYDRONOS CORPORATION trademark a serial number of 99434002. The federal status of this trademark filing is PUBLISHED FOR OPPOSITION as of Tuesday, April 7, 2026. This trademark is owned by Hydronos Corporation. The HYDRONOS CORPORATION trademark is filed in the Construction & Repair Services category with the following description:
Plumbing maintenance advisory services in the field of leak detection, plumbing systems, and water management and conservation systems for residential, commercial and municipal properties
General Information
| Serial Number | 99434002 |
| Word Mark | HYDRONOS CORPORATION |
| Filing Date | Thursday, October 9, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, April 7, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, April 7, 2026 |
Trademark Statements
| NOT AVAILABLE | "CORPORATION" |
| Goods and Services | Plumbing maintenance advisory services in the field of leak detection, plumbing systems, and water management and conservation systems for residential, commercial and municipal properties |
Classification Information
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, October 9, 2025 |
| Primary Code | 037 |
| First Use Anywhere Date | Tuesday, July 22, 2025 |
| First Use In Commerce Date | Tuesday, July 22, 2025 |
Trademark Owner History
| Party Name | Hydronos Corporation |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Mill Valley, CA 94941
US |
| Party Name | Hydronos Corporation |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Mill Valley, CA 94941
US |
Trademark Events
| Event Date | Event Description |
| Thursday, October 9, 2025 | NEW APPLICATION ENTERED |
| Thursday, October 9, 2025 | APPLICATION FILING RECEIPT MAILED |
| Friday, October 17, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, February 26, 2026 | ASSIGNED TO EXAMINER |
| Thursday, February 26, 2026 | NON-FINAL ACTION WRITTEN |
| Thursday, February 26, 2026 | NON-FINAL ACTION E-MAILED |
| Thursday, February 26, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Monday, March 9, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Monday, March 9, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, March 9, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, March 10, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, April 1, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, April 7, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 7, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
