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App. No. 17/261,909 · Confirmation No. 3236

METHOD AND APPARATUS FOR FILTERING

Applicant: Buffalo Filter LLC
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2026-06-16 CTNF Non-Final Rejection 14 View
2026-06-16 SRFW Search information including classification, databases and other search related notes 2 View
2026-06-16 SRNT Examiner's search strategy and results 9 View
2026-02-13 AMSB Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) — View
2026-02-13 AMSB Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) 1 View
2026-02-13 CLM Claims 4 View
2026-02-13 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2026-02-13 RCEX Request for Continued Examination (RCE) 3 View
2026-02-13 N417.PYMT Electronic Fee Payment 2 View
2026-02-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-02-13 WFEE Fee Worksheet (SB06) 1 View
2025-08-13 CTFR Final Rejection 14 View
2025-08-13 SRFW Search information including classification, databases and other search related notes 2 View
2025-08-13 SRNT Examiner's search strategy and results 7 View
2025-07-23 A... Amendment/Request for Reconsideration-After Non-Final Rejection — View
2025-07-23 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2025-07-23 CLM Claims 3 View
2025-07-23 SPEC Specification 1 View
2025-07-23 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2025-07-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-07-23 N417.PYMT Electronic Fee Payment 2 View
2025-07-23 WFEE Fee Worksheet (SB06) 1 View
2025-01-29 WELCOME.LET2 Welcome Letter from USPTO Commissioner 1 View
2025-01-23 CTNF Non-Final Rejection 13 View
2025-01-23 892 List of references cited by examiner 1 View
2025-01-23 SRFW Search information including classification, databases and other search related notes 2 View
2025-01-23 1449 List of References cited by applicant and considered by examiner 3 View
2025-01-23 1449 List of References cited by applicant and considered by examiner 3 View
2025-01-23 1449 List of References cited by applicant and considered by examiner 4 View
2025-01-23 1449 List of References cited by applicant and considered by examiner 4 View
2025-01-23 SRNT Examiner's search strategy and results 7 View
2025-01-23 1449 List of References cited by applicant and considered by examiner 4 View
2024-04-23 PEFR Applicant Response to Pre-Exam Formalities Notice — View
2024-04-23 ELC. Response to Election / Restriction Filed 1 View
2024-04-23 CLM Claims 3 View
2024-04-23 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2024-04-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-04-23 WFEE Fee Worksheet (SB06) 1 View
2024-03-25 CTRS Requirement for Restriction/Election 9 View
2024-01-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2024-01-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-01-05 PA.. Power of Attorney 3 View
2023-11-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2023-11-27 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2023-11-27 FOR Foreign Reference 13 View
2023-08-30 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2023-08-30 FOR Foreign Reference 47 View
2023-08-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2023-03-01 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2023-03-01 FOR Foreign Reference 59 View
2023-03-01 FOR Foreign Reference 36 View
2023-03-01 FOR Foreign Reference 44 View
2023-03-01 FOR Foreign Reference 43 View
2023-03-01 N417 Electronic Filing System Acknowledgment Receipt 3 View
2023-03-01 FOR Foreign Reference 99 View
2023-03-01 FOR Foreign Reference 22 View
2022-09-20 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2022-09-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-09-19 C.AD Change of Address 2 View
2022-09-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2021-09-16 NTC.PUB Notice of Publication 1 View
2021-06-11 WFEE Fee Worksheet (SB06) 1 View
2021-06-11 WCLM Claims Worksheet (PTO-2022) 1 View
2021-06-11 APP.FILE.REC Filing Receipt 3 View
2021-06-11 M903 Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed 1 View
2021-01-21 DRW Drawings-only black and white line drawings 10 View
2021-01-21 CLM Claims 4 View
2021-01-21 SPEC Specification 11 View
2021-01-21 FRPR Certified Copy of Foreign Priority Application 40 View
2021-01-21 ABST Abstract 1 View
2021-01-21 P.N.101.CONV PCT/RO/101 - Request form for new International Application - Conventional 4 View
2021-01-21 OATH Oath or Declaration filed 8 View
2021-01-21 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2021-01-21 REF.OTHER Other reference-Patent/Application/Search Documents 2 View
2021-01-21 WFEE Fee Worksheet (SB06) 2 View
2021-01-21 N417 Electronic Filing System Acknowledgment Receipt 3 View
2021-01-21 ABST Abstract 1 View
2021-01-21 CLM Claims 4 View
2021-01-21 SPEC Specification 11 View
2021-01-21 DRW Drawings-only black and white line drawings 10 View
2021-01-21 ADS Application Data Sheet 8 View
2021-01-21 OATH Oath or Declaration filed 6 View
2021-01-21 TRNA Transmittal of New Application 4 View
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Quick Facts
App. No.
17/261,909
Filed
2021-01-21
Pub. No.
US20210282803A1
Art Unit
3794