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Non Oriented Electrical Steel Sheet And Method For Manufacturing Same
Abstract: A non-oriented electrical steel sheet according to one embodiment of the present invention comprises: 3.3 to 4.0 weight% of Si; 0.4 to 1.5 weight% of Al; 0.2 to 1.0 weight% of Mn; 0.0015 to 0.0040 weight% of C; 0.0005 to 0.0020 weight% of N; 0.0005 to 0.0025 weight% of S; 0.005 to 0.01 weight% of Mo; 0.0005 to 0.0020 weight% of Ti; 0.0005 to 0.0020 weight% of Nb; and 0.0005 to 0.0020 weight% of V, with the remainder comprising Fe and other unavoidable impurities.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
11 July 2023
Publication Number
41/2023
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2025-08-25
Renewal Date
Applicants
POSCO CO., LTD
6261, Donghaean-ro, Nam-gu,
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. LEE, Hunju
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
2. KIM, Yongsoo
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
3. SHIN, Suyong
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202337046575-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [11-07-2023(online)].pdf | 2023-07-11 |
| 2 | 202337046575-STATEMENT OF UNDERTAKING (FORM 3) [11-07-2023(online)].pdf | 2023-07-11 |
| 3 | 202337046575-REQUEST FOR EXAMINATION (FORM-18) [11-07-2023(online)].pdf | 2023-07-11 |
| 4 | 202337046575-PRIORITY DOCUMENTS [11-07-2023(online)].pdf | 2023-07-11 |
| 5 | 202337046575-FORM 18 [11-07-2023(online)].pdf | 2023-07-11 |
| 6 | 202337046575-FORM 1 [11-07-2023(online)].pdf | 2023-07-11 |
| 7 | 202337046575-DRAWINGS [11-07-2023(online)].pdf | 2023-07-11 |
| 8 | 202337046575-DECLARATION OF INVENTORSHIP (FORM 5) [11-07-2023(online)].pdf | 2023-07-11 |
| 9 | 202337046575-COMPLETE SPECIFICATION [11-07-2023(online)].pdf | 2023-07-11 |
| 10 | 202337046575-FORM-26 [10-08-2023(online)].pdf | 2023-08-10 |
| 11 | 202337046575-Proof of Right [11-08-2023(online)].pdf | 2023-08-11 |
| 12 | 202337046575-FORM 3 [09-11-2023(online)].pdf | 2023-11-09 |
| 13 | 202337046575-FER.pdf | 2024-08-27 |
| 14 | 202337046575-FORM 3 [03-10-2024(online)].pdf | 2024-10-03 |
| 15 | 202337046575-OTHERS [21-02-2025(online)].pdf | 2025-02-21 |
| 16 | 202337046575-FER_SER_REPLY [21-02-2025(online)].pdf | 2025-02-21 |
| 17 | 202337046575-CLAIMS [21-02-2025(online)].pdf | 2025-02-21 |
| 18 | 202337046575-US(14)-HearingNotice-(HearingDate-18-07-2025).pdf | 2025-06-18 |
| 19 | 202337046575-Response to office action [19-06-2025(online)].pdf | 2025-06-19 |
| 20 | 202337046575-Correspondence to notify the Controller [16-07-2025(online)].pdf | 2025-07-16 |
| 21 | 202337046575-Written submissions and relevant documents [31-07-2025(online)].pdf | 2025-07-31 |
| 22 | 202337046575-Written submissions and relevant documents [31-07-2025(online)]-1.pdf | 2025-07-31 |
| 23 | 202337046575-PatentCertificate25-08-2025.pdf | 2025-08-25 |
| 24 | 202337046575-IntimationOfGrant25-08-2025.pdf | 2025-08-25 |
Search Strategy
| 1 | SEARCHE_23-08-2024.pdf |
| 2 | 202337046575_SearchStrategyAmended_E_SearchHistory(1)AE_18-06-2025.pdf |