| Serial Number | 79436187 |
| Word Mark | WALLSTEIN |
| Filing Date | Monday, August 18, 2025 |
| Status | 641 - NON-FINAL ACTION - MAILED |
| Status Date | Thursday, February 5, 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 | Maintenance and cleaning of machines and installations; construction of pipelines |
| Goods and Services | Heat exchangers, other than parts of machines; heat regenerators; air dryers, freeze dryers, blow dryers; purification installations for flue gas, exhaust gas, drawing-off air, sewage; installations for processing and recycling of oil, lubrication grease, sewage; installations for processing of drinking water and industrial water; installations for the disposal of pollutants; refrigerating installations; clean room installations |
| 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, November 6, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 6, 2025 |
| Primary Code | 037 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Wallstein Holding GmbH & Co. KG |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | DE |
| Event Date | Event Description |
| Thursday, November 6, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Friday, November 7, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, November 7, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, December 31, 2025 | ASSIGNED TO EXAMINER |
| Saturday, January 10, 2026 | NON-FINAL ACTION WRITTEN |
| Sunday, January 11, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Thursday, February 5, 2026 | REFUSAL PROCESSED BY MPU |
| Thursday, February 5, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |