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Ultra High Strength Cold Rolled Steel Sheet Having Excellent Hole Expandability And Method For Manufacturing Same
Abstract: The present invention relates to an ultra-high strength cold-rolled steel sheet having excellent hole expandability and a method for manufacturing same and, more specifically, to an ultra-high strength cold-rolled steel sheet having excellent hole expandability which can be mainly used for structural members and to ensure safety in the event of an automobile collision, and to a method for manufacturing same.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
22 March 2024
Publication Number
45/2024
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Applicants
POSCO CO., LTD
6261, Donghaean-ro, Nam-gu
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. KOO, Min-Seo
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
2. KIM, Eun-Young
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
3. KIM, Sang-Hyun
20-26, Pokposarang-gil
Gwangyang-si,
Jeollanam-do 57807
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202417022344-STATEMENT OF UNDERTAKING (FORM 3) [22-03-2024(online)].pdf | 2024-03-22 |
| 2 | 202417022344-REQUEST FOR EXAMINATION (FORM-18) [22-03-2024(online)].pdf | 2024-03-22 |
| 3 | 202417022344-PROOF OF RIGHT [22-03-2024(online)].pdf | 2024-03-22 |
| 4 | 202417022344-PRIORITY DOCUMENTS [22-03-2024(online)].pdf | 2024-03-22 |
| 5 | 202417022344-POWER OF AUTHORITY [22-03-2024(online)].pdf | 2024-03-22 |
| 6 | 202417022344-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [22-03-2024(online)].pdf | 2024-03-22 |
| 7 | 202417022344-FORM 18 [22-03-2024(online)].pdf | 2024-03-22 |
| 8 | 202417022344-FORM 1 [22-03-2024(online)].pdf | 2024-03-22 |
| 9 | 202417022344-FIGURE OF ABSTRACT [22-03-2024(online)].pdf | 2024-03-22 |
| 10 | 202417022344-DRAWINGS [22-03-2024(online)].pdf | 2024-03-22 |
| 11 | 202417022344-DECLARATION OF INVENTORSHIP (FORM 5) [22-03-2024(online)].pdf | 2024-03-22 |
| 12 | 202417022344-COMPLETE SPECIFICATION [22-03-2024(online)].pdf | 2024-03-22 |
| 13 | 202417022344-FORM-26 [10-06-2024(online)].pdf | 2024-06-10 |
| 14 | 202417022344-Others-120624.pdf | 2024-06-21 |
| 15 | 202417022344-GPA-120624.pdf | 2024-06-21 |
| 16 | 202417022344-Correspondence-120624.pdf | 2024-06-21 |
| 17 | 202417022344-FORM 3 [26-08-2024(online)].pdf | 2024-08-26 |