IP Library Patent Application 18873375
Patent Application Utility PCT National Stage
App. No. 18/873,375 · Confirmation No. 4251

HEAT-RESISTANT, AUSTENITIC CAST STEEL, AND EXHAUST MEMBER MADE THEREOF

Applicant: PROTERIAL, LTD.
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2026-06-02 CTNF Non-Final Rejection 6 View
2026-06-02 892 List of references cited by examiner 1 View
2026-06-02 SRFW Search information including classification, databases and other search related notes 2 View
2026-06-02 SRNT Examiner's search strategy and results 55 View
2026-06-02 1449 List of References cited by applicant and considered by examiner 2 View
2026-05-14 NTC.PUB Notice of Publication 1 View
2026-02-04 WFEE Fee Worksheet (SB06) 1 View
2026-02-04 APP.FILE.REC Filing Receipt 3 View
2026-02-04 M903 Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed 2 View
2026-02-04 WCLM Claims Worksheet (PTO-2022) 1 View
2025-10-14 TRAN.LET Transmittal Letter 4 View
2025-10-14 PEFR Applicant Response to Pre-Exam Formalities Notice 2 View
2025-10-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-10-14 N417.PYMT Electronic Fee Payment 2 View
2025-10-14 SPEC Specification 23 View
2025-10-14 CLM Claims 1 View
2025-10-14 ABST Abstract 1 View
2025-08-12 PD.AUTH.G Acceptance of Permission to Access Application 1 View
2025-08-12 SREXR.G Acceptance of Permission to Access Search Results 1 View
2025-08-12 M905 Notice of DO/EO Missing Requirements Mailed 2 View
2025-08-12 WFEE Fee Worksheet (SB06) 1 View
2025-08-12 WELCOME.LET Welcome Letter from USPTO Director and Deputy Director 1 View
2024-12-10 A.PE Preliminary Amendment View
2024-12-10 SPEC Specification View
2024-12-10 TRAN.LET Transmittal Letter View
2024-12-10 FOR Foreign Reference 17 View
2024-12-10 FOR Foreign Reference 6 View
2024-12-10 371P Documents submitted with 371 (National Stage) Applications 6 View
2024-12-10 371P Documents submitted with 371 (National Stage) Applications 3 View
2024-12-10 A.PE Preliminary Amendment 1 View
2024-12-10 SPEC Specification 3 View
2024-12-10 CLM Claims 2 View
2024-12-10 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2024-12-10 FOR Foreign Reference 11 View
2024-12-10 DRW.NONBW Drawings-other than black and white line drawings 4 View
2024-12-10 FOR Foreign Reference 38 View
2024-12-10 FOR Foreign Reference 4 View
2024-12-10 FOR Foreign Reference 32 View
2024-12-10 FOR Foreign Reference 37 View
2024-12-10 SPEC Specification 23 View
2024-12-10 CLM Claims 1 View
2024-12-10 ABST Abstract 1 View
2024-12-10 PA.. Power of Attorney 2 View
2024-12-10 N417 Electronic Filing System Acknowledgment Receipt 5 View
2024-12-10 TRNA Transmittal of New Application 3 View
2024-12-10 ADS Application Data Sheet 6 View
2024-12-10 TRAN.LET Transmittal Letter 2 View
2024-12-10 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2024-12-10 OATH Oath or Declaration filed 3 View
2024-12-10 FOR Foreign Reference 4 View
2024-12-10 FOR Foreign Reference 16 View
2024-12-10 N417.PYMT Electronic Fee Payment 2 View
2024-12-10 DRW.SUPP Drawings-black and white line and/or other drawings View
2024-12-10 DRW.SUPP Drawings-black and white line and/or other drawings View
2024-12-10 SCORE Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) 1 View
2024-12-10 P.N.101.CONV PCT/RO/101 - Request form for new International Application - Conventional 4 View
2024-12-10 FRPR Certified Copy of Foreign Priority Application 17 View
2024-12-10 FRPR Certified Copy of Foreign Priority Application 16 View
2024-12-10 P.PAMPHLET WIPO Publication - Non-English version 30 View
2024-12-10 OATH Oath or Declaration filed 4 View
2024-12-10 SCORE Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) 1 View
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Quick Facts
App. No.
18/873,375
Filed
2025-10-14
Effective Filing
2024-12-10
Pub. No.
US20260132729A1
Examiner
TRAN, BINH Q
Art Unit
3746