Legal Representation
Attorney
William Mitchell
USPTO Deadlines
Next Deadline
37 days remaining
Non-Final Action E-Mailed
Due Date
February 06, 2026
Extension Available
Until May 06, 2026
Application History
7 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Nov 6, 2025 | GNRN | O | NOTIFICATION OF NON-FINAL ACTION E-MAILED | Loading... |
| Nov 6, 2025 | GNRT | F | NON-FINAL ACTION E-MAILED | Loading... |
| Nov 6, 2025 | CNRT | R | NON-FINAL ACTION WRITTEN | Loading... |
| Nov 5, 2025 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
| Oct 25, 2025 | NWOS | I | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | Loading... |
| Jun 18, 2025 | MAFR | O | APPLICATION FILING RECEIPT MAILED | Loading... |
| Jun 18, 2025 | NWAP | I | NEW APPLICATION ENTERED | Loading... |
Detailed Classifications
Class 001
Fluid filters and purifiers; air filters for gasmasks; air filters for vehicles, watercraft, and aircraft; filters and purifiers for the removal of noxious substances from liquid and gas streams; air filters and purifiers; filters and purifiers for the removal of oxides of nitrogen, ammonia and amines, compounds of sulfur, halogens and compounds of halogens, including bromine chlorine, fluorine, iodine, and other odiferous or toxic contaminants from gases and liquids
Class 007
Filters for industrial chemical reactors and fluid streams
Class 009
Filters for laboratory chemical reactors and fluid streams
Class 011
Ceramic particles or shaped bodies for use as a filtering media in removal by filtration of compounds of nitrogen, compounds of sulfur, and other elements and compounds from gas and liquid streams; Mineral substances used as filtering materials for nitrogen compound filtration from gas and liquid streams
Additional Information
Pseudo Mark
NITROGEN OXIDE FINAL FILTER; NITROGEN DIOXIDE FINAL FILTER
Classification
International Classes
001
007
009
011