| Serial Number | 99335440 |
| Word Mark | MAINSTAYS |
| Filing Date | Wednesday, August 13, 2025 |
| Status | 688 - NOTICE OF ALLOWANCE - ISSUED |
| Status Date | Tuesday, December 2, 2025 |
| 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, October 7, 2025 |
| Goods and Services | Air purifiers; Filters for air purifiers |
| 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 | Wednesday, August 13, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Walmart Apollo, LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Bentonville, AR 72716-0215 |
| Party Name | Walmart Apollo, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Bentonville, AR 72716-0215 |
| Event Date | Event Description |
| Wednesday, August 13, 2025 | NEW APPLICATION ENTERED |
| Wednesday, August 13, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, August 13, 2025 | APPLICATION FILING RECEIPT MAILED |
| Friday, September 5, 2025 | ASSIGNED TO EXAMINER |
| Monday, September 8, 2025 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, October 1, 2025 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, October 7, 2025 | PUBLISHED FOR OPPOSITION |
| Tuesday, October 7, 2025 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, December 2, 2025 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |