| Serial Number | 99427305 |
| Word Mark | STRATOS |
| Filing Date | Friday, October 3, 2025 |
| Status | 661 - RESPONSE AFTER NON-FINAL ACTION - ENTERED |
| Status Date | Thursday, May 21, 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 | Industrial air ventilation systems comprised of mist collectors and air filters; air filters for industrial installations; filtering units, namely, mist collectors for removing liquid mists and liquid industrial aerosols from industrial processes |
| 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 | Friday, October 3, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Donaldson Company, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Bloomington, MN 55431 US |
| Event Date | Event Description |
| Friday, October 3, 2025 | NEW APPLICATION ENTERED |
| Friday, October 3, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, February 11, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, February 24, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, February 24, 2026 | NON-FINAL ACTION WRITTEN |
| Tuesday, February 24, 2026 | NON-FINAL ACTION E-MAILED |
| Tuesday, February 24, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Thursday, May 21, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, May 21, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, May 21, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |