| Serial Number | 79432910 |
| Word Mark | CLICKSTACK |
| Filing Date | Thursday, July 24, 2025 |
| Status | 661 - RESPONSE AFTER NON-FINAL ACTION - ENTERED |
| Status Date | Thursday, July 2, 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 | Stackable membrane plates for a humidifier of a fuel cell system for moisture exchange |
| Goods and Services | Fuel cells; fuel cell systems primarily comprised of fuel cells, fuel cell stacks, fuel cell electrodes; fuel cell structural and replacement parts; membranes as structural parts of fuel cells; humidifier as a component of fuel cells sold as a unit; membrane humidifier as a component of fuel cells sold as a unit |
| Pseudo Mark | CLICK STACK |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, September 18, 2025 |
| Primary Code | 009 |
| 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 | Thursday, September 18, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | MANN+HUMMEL GMBH |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | DE |
| Event Date | Event Description |
| Thursday, September 18, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Monday, September 22, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, September 22, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, December 10, 2025 | ASSIGNED TO EXAMINER |
| Wednesday, December 10, 2025 | NON-FINAL ACTION WRITTEN |
| Thursday, December 11, 2025 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Saturday, January 17, 2026 | REFUSAL PROCESSED BY MPU |
| Saturday, January 17, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Thursday, February 5, 2026 | REFUSAL PROCESSED BY IB |
| Thursday, July 2, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, July 2, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, July 2, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |