| Serial Number | 99187901 |
| Word Mark | VF4000 |
| Filing Date | Thursday, May 15, 2025 |
| Status | 641 - NON-FINAL ACTION - MAILED |
| Status Date | Wednesday, October 1, 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 | NOT AVAILABLE |
| Pseudo Mark | VF FOUR THOUSAND |
| Pseudo Mark | VF FOUR ZERO ZERO ZERO |
| Goods and Services | Air purifiers; Filters for air purifiers; Filters for drinking water; Filters for air conditioning; Hot tub filters; Filters for swimming pools; Coffee filters not of paper being part of electric coffee makers; HEPA filters for household use; Air filters for HVAC units; Air filters for domestic use |
| 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, May 15, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | Friday, April 18, 2025 |
| First Use In Commerce Date | Friday, April 18, 2025 |
| Party Name | Xiamen Zhouyou Sifang Technology Co., Ltd. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | Xiamen 361000 CN |
| Event Date | Event Description |
| Thursday, May 15, 2025 | NEW APPLICATION ENTERED |
| Thursday, May 15, 2025 | APPLICATION FILING RECEIPT MAILED |
| Monday, September 29, 2025 | ASSIGNED TO EXAMINER |
| Wednesday, October 1, 2025 | NON-FINAL ACTION WRITTEN |
| Wednesday, October 1, 2025 | NON-FINAL ACTION E-MAILED |
| Wednesday, October 1, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, September 24, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |