| Serial Number | 99617151 |
| Word Mark | ULTRACELL |
| Filing Date | Tuesday, January 27, 2026 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Wednesday, June 3, 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, June 23, 2026 |
| Goods and Services | Services for wastewater treatment, namely, installing and maintaining moving bed bioreactor systems featuring plastic units providing high surface area to volume ratio for the purpose of high-density biofilm growth for wastewater treatment tanks and membrane filter systems |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, January 27, 2026 |
| Primary Code | 037 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Headworks Bio Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Houston, TX 77041 US |
| Event Date | Event Description |
| Tuesday, January 27, 2026 | NEW APPLICATION ENTERED |
| Tuesday, January 27, 2026 | APPLICATION FILING RECEIPT MAILED |
| Monday, May 18, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, May 26, 2026 | ASSIGNED TO EXAMINER |
| Thursday, May 28, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Thursday, May 28, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Thursday, May 28, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Thursday, May 28, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Thursday, May 28, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, June 17, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |