| Serial Number | 99124980 |
| Word Mark | HYDROGEN HOT TUBE |
| Filing Date | Monday, April 7, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Tuesday, February 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, February 24, 2026 |
| Goods and Services | Generation of energy; generation of thermal energy; Generation of energy via hydrogen |
| NOT AVAILABLE | "HYDROGEN" or "TUBE" |
| Goods and Services | Electrical and electronic apparatus and equipment all for use in generating energy obtained from alternative energy sources; Electrical and electronic apparatus and equipment for use in generating energy obtained from alternative energy sources; Electrical and electronic apparatus and equipment that facilitate catalytic reactions all for use in generating energy obtained from alternative energy sources; Electrical and electronic apparatus and equipment for use in generating energy obtained from hydrogen |
| Goods and Services | Heat generators; heat generators that generate heat using hydrogen |
| International Class | 007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. |
| US Class Codes | 013, 019, 021, 023, 024, 031, 034, 035 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, April 7, 2025 |
| Primary Code | 007 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 011 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes. |
| US Class Codes | 013, 021, 023, 024, 031, 034 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, April 7, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 040 - Treatment of materials. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, April 7, 2025 |
| Primary Code | 040 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Brillouin Energy Corp. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Emeryville, CA 94608 |
| Event Date | Event Description |
| Monday, April 7, 2025 | NEW APPLICATION ENTERED |
| Monday, April 7, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, April 7, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, September 3, 2025 | ASSIGNED TO EXAMINER |
| Monday, September 8, 2025 | NON-FINAL ACTION WRITTEN |
| Monday, September 8, 2025 | NON-FINAL ACTION E-MAILED |
| Monday, September 8, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Friday, December 5, 2025 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, December 5, 2025 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, December 5, 2025 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, January 27, 2026 | NON-FINAL ACTION WRITTEN |
| Tuesday, January 27, 2026 | NON-FINAL ACTION E-MAILED |
| Tuesday, January 27, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Tuesday, January 27, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, January 27, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, January 27, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, January 29, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |