Patent Assignment
Reel/Frame 009674/0284
Assignment of Assignor's Interest
Recorded: 1998-12-29
Pages: 2
Assignee
USX CORPORATION
LAW DEPARTMENT, ROOM 1500, 600 GRANT STREET, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Method for Monitoring the Wear and Extending the Life of Blast Furnace Refractory Lining
Patent:
5,890,805 →
Application:
08/938,760 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Conversion to Corporation
Nov 8, 2004
From: UNITED STATES STEEL LLC
To: UNITED STATES STEEL CORPORATION
Reel/Frame 015953/0740 →
Merger
Nov 8, 2004
From: USX CORPORATION
To: UNITED STATES STEEL LLC
Reel/Frame 015953/0753 →
Security Interest
Jul 18, 2016
From: UNITED STATES STEEL CORPORATION
To: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 039177/0544 →
Release of Security Interest
Jun 15, 2018
From: U.S. BANK NATIONAL ASSOCIATION
To: UNITED STATES STEEL CORPORATION
Reel/Frame 046102/0085 →