IP Library › Patent Application 18020708
Patent Application Utility PCT National Stage
App. No. 18/020,708 · Confirmation No. 4397

A TAP CHANGER AND A TRANSFORMER ARRANGEMENT COMPRISING THE TAP CHANGER

Applicant: HITACHI ENERGY LTD
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2026-06-25 TRAN.LET Transmittal Letter 1 View
2026-06-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-06-25 OATH Oath or Declaration filed 1 View
2026-06-17 M327 Miscellaneous Communication to Applicant - No Action Count 1 View
2026-06-05 NOA Notice of Allowance and Fees Due (PTOL-85) 9 View
2026-06-05 SRFW Search information including classification, databases and other search related notes 2 View
2026-06-05 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 3 View
2026-06-05 BIB Bibliographic Data Sheet 1 View
2026-06-05 SRNT Examiner's search strategy and results 6 View
2026-05-04 A... Amendment/Request for Reconsideration-After Non-Final Rejection — View
2026-05-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-05-04 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2026-05-04 CLM Claims 4 View
2026-05-04 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2026-05-04 WFEE Fee Worksheet (SB06) 1 View
2026-02-02 CTNF Non-Final Rejection 12 View
2026-02-02 892 List of references cited by examiner 1 View
2026-02-02 SRFW Search information including classification, databases and other search related notes 1 View
2026-02-02 FOR Foreign Reference 17 View
2026-02-02 SRNT Examiner's search strategy and results 3 View
2026-02-02 FOR Foreign Reference 5 View
2026-02-02 1449 List of References cited by applicant and considered by examiner 4 View
2026-02-02 1449 List of References cited by applicant and considered by examiner 4 View
2026-02-02 1449 List of References cited by applicant and considered by examiner 5 View
2026-02-02 FOR Foreign Reference 28 View
2026-02-02 SRNT Examiner's search strategy and results 8 View
2026-02-02 BIB Bibliographic Data Sheet 1 View
2025-05-19 TRAN.LET Transmittal Letter 3 View
2025-05-19 IDS Information Disclosure Statement (IDS) Form (SB08) 5 View
2025-05-19 FOR Foreign Reference 35 View
2025-05-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-05-19 REF.OTHER Other reference-Patent/Application/Search Documents 5 View
2025-05-19 FOR Foreign Reference 11 View
2025-05-19 FOR Foreign Reference 20 View
2024-10-17 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2024-10-17 FOR Foreign Reference 16 View
2024-10-17 FOR Foreign Reference 5 View
2024-10-17 FOR Foreign Reference 20 View
2024-10-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-03-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2024-03-15 APP.FILE.REC Filing Receipt 3 View
2024-03-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-03-07 PA.. Power of Attorney 1 View
2024-03-07 ADS Application Data Sheet 8 View
2024-03-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2023-08-17 NTC.PUB Notice of Publication 1 View
2023-07-03 APP.FILE.REC Filing Receipt 3 View
2023-06-29 CFILE Request for Corrected Filing Receipt 4 View
2023-06-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2023-05-10 WCLM Claims Worksheet (PTO-2022) 1 View
2023-05-10 WFEE Fee Worksheet (SB06) 1 View
2023-05-10 M903 Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed 2 View
2023-05-10 APP.FILE.REC Filing Receipt 3 View
2023-02-10 PA.. Power of Attorney 1 View
2023-02-10 FOR Foreign Reference 10 View
2023-02-10 FOR Foreign Reference 7 View
2023-02-10 WFEE Fee Worksheet (SB06) 2 View
2023-02-10 N417 Electronic Filing System Acknowledgment Receipt 5 View
2023-02-10 ADS Application Data Sheet 8 View
2023-02-10 TRNA Transmittal of New Application 4 View
2023-02-10 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2023-02-10 A.PE Preliminary Amendment 1 View
2023-02-10 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2023-02-10 ABST Abstract 1 View
2023-02-10 CLM Claims 4 View
2023-02-10 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2023-02-10 SPEC Specification 19 View
2023-02-10 REM Applicant Arguments/Remarks Made in an Amendment 17 View
2023-02-10 FOR Foreign Reference 6 View
2023-02-10 FOR Foreign Reference 5 View
2023-02-10 FOR Foreign Reference 25 View
2023-02-10 OATH Oath or Declaration filed 2 View
2023-02-10 FOR Foreign Reference 4 View
2023-02-10 REF.OTHER Other reference-Patent/Application/Search Documents 14 View
2023-02-10 DRW.NONBW Drawings-other than black and white line drawings 9 View
2023-02-10 FOR Foreign Reference 43 View
2023-02-10 371P Documents submitted with 371 (National Stage) Applications 1 View
2023-02-10 371P Documents submitted with 371 (National Stage) Applications 32 View
2023-02-10 371P Documents submitted with 371 (National Stage) Applications 1 View
2023-02-10 DRW.SUPP Drawings-black and white line and/or other drawings — View
2023-02-10 P.N.101.CONV PCT/RO/101 - Request form for new International Application - Conventional 5 View
2023-02-10 P.306 PCT/IB/306 - Notification of the Recording of a Change 1 View
2023-02-10 371P Documents submitted with 371 (National Stage) Applications 2 View
2023-02-10 371P Documents submitted with 371 (National Stage) Applications 1 View
2023-02-10 ABST Abstract 1 View
2023-02-10 SPEC Specification 17 View
2023-02-10 CLM Claims 3 View
2023-02-10 DRW Drawings-only black and white line drawings 9 View
2023-02-10 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.
18/020,708
Filed
2023-02-10
Pub. No.
US20230260695A1
Art Unit
2837