| Serial Number | 99050646 |
| Word Mark | HYPRSTACK |
| Filing Date | Friday, February 21, 2025 |
| Status | 645 - FINAL REFUSAL - MAILED |
| Status Date | Tuesday, March 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 | NOT AVAILABLE |
| Goods and Services | Construction and maintenance services of hydrogen production systems and the accompanying hydrogen plant modules needed to electrolyze them including power systems, water purification and gas separation for the purpose of converting hydrogen into fuel; construction planning of hydrogen plants and production plants; Installation and maintenance of integrated green hydrogen production apparatus; construction of hydrogen production systems and installation, maintenance and repair services for hydrogen energy systems; construction, installation, maintenance and repair services of hydrogen based energy production power plants for production of hydrogen by electrolysis |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, February 21, 2025 |
| Primary Code | 037 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Electric Hydrogen Co. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Devens, MA 01434 US |
| Event Date | Event Description |
| Friday, February 21, 2025 | NEW APPLICATION ENTERED |
| Friday, February 21, 2025 | APPLICATION FILING RECEIPT MAILED |
| Friday, August 22, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, August 25, 2025 | ASSIGNED TO EXAMINER |
| Tuesday, September 2, 2025 | NON-FINAL ACTION WRITTEN |
| Tuesday, September 2, 2025 | NON-FINAL ACTION E-MAILED |
| Tuesday, September 2, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Monday, December 1, 2025 | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED |
| Monday, December 1, 2025 | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED |
| Monday, March 2, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Monday, March 2, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, March 2, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, March 3, 2026 | FINAL REFUSAL WRITTEN |
| Tuesday, March 3, 2026 | FINAL REFUSAL E-MAILED |
| Tuesday, March 3, 2026 | NOTIFICATION OF FINAL REFUSAL EMAILED |