Patent Assignment
Reel/Frame 033154/0925
Assignment of Assignor's Interest
Recorded: 2014-06-23
Pages: 5
Assignee
AK STEEL PROPERTIES, INC.
9227 CENTRE POINTE DRIVE, WEST CHESTER, OHIO, 45069
Covered Property
(1)
High Strength Steel Exhibiting Good Ductility and Method of Production via Quenching and Partitioning Treatment by Zinc Bath
Application:
14/280,045 →
Publication:
US 2014/0338798
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Patent Security Agreement
Mar 13, 2020
From: AK STEEL CORPORATION; AK STEEL PROPERTIES, INC.
To: U.S. BANK NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 052162/0691 →
Patent Security Agreement
Mar 13, 2020
From: CLEVELAND-CLIFFS INC.; AK STEEL CORPORATION; AK STEEL PROPERTIES, INC.
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 052162/0782 →
Patent Security Agreement
Mar 13, 2020
From: CLEVELAND-CLIFFS INC.; AK STEEL CORPORATION; AK STEEL PROPERTIES, INC.
To: U.S. BANK NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 052162/0865 →
Patent Security Agreement
Apr 17, 2020
From: CLEVELAND-CLIFFS INC.; AK STEEL CORPORATION; AK STEEL PROPERTIES, INC.
To: U.S. BANK NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 052432/0166 →
Release of Security Interest
Mar 15, 2021
From: U.S. BANK NATIONAL ASSOCIATION
To: AK STEEL CORPORATION; AK STEEL PROPERTIES, INC.
Reel/Frame 055587/0118 →
Release of Security Interest
May 11, 2022
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSOCIATION
To: CLEVELAND-CLIFFS INC.; CLEVELAND-CLIFFS STEEL CORPORATION (F/K/A AK STEEL CORPORATION),; CLEVELAND-CLIFFS STEEL PROPERTIES, INC. (F/K/A AK STEEL PROPERTIES, INC.); IRONUNITS LLC
Reel/Frame 063272/0001 →
Release of Security Interest
Apr 5, 2024
From: U.S. BANK NATIONAL ASSOCIATION
To: CLEVELAND-CLIFFS INC.; CLEVELAND-CLIFFS STEEL CORPORATION (F/K/A AK STEEL CORPORATION); CLEVELAND-CLIFFS STEEL PROPERTIES INC. (F/K/A AK STEEL PROPERTIES, INC.)
Reel/Frame 067025/0974 →