Patent Application
Utility
PCT National Stage
App. No. 19/485,575
· Confirmation No. 5987
STACKED FILTER ARRANGEMENT
Applicant:
Donaldson Company, Inc.
Application Undergoing Preexam Processing
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Code | Description | Pages | ||
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| 2026-08-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-08-18 | OATH |
Oath or Declaration filed | 2 | View | |
| 2026-08-18 | OATH |
Oath or Declaration filed | 1 | View | |
| 2026-07-21 | PEFR |
Applicant Response to Pre-Exam Formalities Notice | 1 | View | |
| 2026-07-21 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-07-21 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2026-07-08 | WCLM |
Claims Worksheet (PTO-2022) | 1 | View | |
| 2026-07-08 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2026-07-08 | 371.FEE.M923 |
371 (National Stage) Supplemental Fees Missing - Form M923 | 2 | View | |
| 2026-07-08 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2026-07-08 | WELCOME.LET |
Welcome Letter from USPTO Director and Deputy Director | 1 | View | |
| 2025-11-18 | A.PE |
Preliminary Amendment | — | View | |
| 2025-11-18 | SPEC |
Specification | — | View | |
| 2025-11-18 | DRW.SUPP |
Drawings-black and white line and/or other drawings | — | View | |
| 2025-11-18 | ADS |
Application Data Sheet | 8 | View | |
| 2025-11-18 | TRNA |
Transmittal of New Application | 5 | View | |
| 2025-11-18 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2025-11-18 | PA.. |
Power of Attorney | 4 | View | |
| 2025-11-18 | 371P |
Documents submitted with 371 (National Stage) Applications | 1 | View | |
| 2025-11-18 | 136A |
Authorization for Extension of Time all replies | 1 | View | |
| 2025-11-18 | 371P |
Documents submitted with 371 (National Stage) Applications | 1 | View | |
| 2025-11-18 | 371P |
Documents submitted with 371 (National Stage) Applications | 1 | View | |
| 2025-11-18 | DRW |
Drawings-only black and white line drawings | 12 | View | |
| 2025-11-18 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 5 | View | |
| 2025-11-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 5 | View | |
| 2025-11-18 | SPEC |
Specification | 14 | View | |
| 2025-11-18 | ABST |
Abstract | 1 | View | |
| 2025-11-18 | CLM |
Claims | 5 | View | |
| 2025-11-18 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2025-11-18 | A.PE |
Preliminary Amendment | 1 | View | |
| 2025-11-18 | SPEC |
Specification | 1 | View | |
| 2025-11-18 | ABST |
Abstract | 1 | View | |
| 2025-11-18 | CLM |
Claims | 5 | View | |
| 2025-11-18 | FOR |
Foreign Reference | 4 | View | |
| 2025-11-18 | FOR |
Foreign Reference | 18 | View | |
| 2025-11-18 | FOR |
Foreign Reference | 14 | View | |
| 2025-11-18 | SCORE |
Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) | 1 | View | |
| 2025-11-18 | P.N.101.CONV |
PCT/RO/101 - Request form for new International Application - Conventional | 5 | View | |
| 2025-11-18 | P.306 |
PCT/IB/306 - Notification of the Recording of a Change | 3 | View | |
| 2025-11-18 | FRPR |
Certified Copy of Foreign Priority Application | 36 | View | |
| 2025-11-18 | ABST |
Abstract | 1 | View | |
| 2025-11-18 | CLM |
Claims | 5 | View | |
| 2025-11-18 | DRW |
Drawings-only black and white line drawings | 12 | View | |
| 2025-11-18 | SPEC |
Specification | 14 | View |
Inventors
Abbas SALHAB
Poole, UNITED KINGDOM
Aaron S. PEACH
Weymouth, UNITED KINGDOM
Attorneys & Agents of Record
Classification
USPC
95/287
B01D46/0005
B01D46/62
B01D46/88
B01D46/023
B01D46/12
B01D2265/025
Prosecution
- Art Unit
- 1776
- Customer No.
- 117527
- Docket No.
- 00758.3009USWO
- Confirmation No.
- 5987
No recorded assignments were found for this patent.
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Quick Facts
- App. No.
- 19/485,575
- Filed
- 2025-11-18
- Art Unit
- 1776
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