Patent Assignment
Reel/Frame 028567/0300
Assignment of Assignor's Interest
Recorded: 2012-07-17
Pages: 8
Assignee
MARATHON OIL CANADA CORPORATION
2400, 440 - 2ND AVENUE SW, CALGARY, ALBERTA, T2P 5E9, CANADA
Covered Properties
(2)
Methods of Transporting Various Bitumen Extraction Products and Compositions Thereof
Methods of Transporting Various Bitumen Extraction Products and Compositions Thereof
Application:
61/502,031 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Jan 23, 2013
From: MARATHON OIL CANADA CORPORATION
To: MARATHON CANADIAN OIL SANDS HOLDING LIMITED
Reel/Frame 029676/0704 →
Change of Name
May 22, 2013
From: MARATHON CANADIAN OIL SANDS HOLDING LIMITED
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 030467/0595 →
Assignment of Assignor's Interest
Oct 9, 2014
From: MARATHON OIL CANADA CORPORATION
To: SHELL CANADA ENERGY; CHEVRON CANADA LIMITED
Reel/Frame 033923/0338 →
Nunc Pro Tunc Assignment
Feb 27, 2018
From: SHELL CANADA ENERGY
To: CANADIAN NATURAL UPGRADING LIMITED
Reel/Frame 045054/0463 →