Patent Assignment
Reel/Frame 029189/0908
Assignment of Assignor's Interest
Recorded: 2012-10-25
Pages: 4
Assignee
MARATHON OIL CANADA CORPORATION
2400, 440-2ND AVENUE SW, CALGARY, ALBERTA, T2P 5E9, CANADA
Covered Property
(1)
Methods and Systems for in-Situ Extraction of Bitumen
Application:
13/584,333 →
Publication:
US 2013/0206405
Related Assignments
(3)
Other recorded transfers of the patent 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 029675/0197 →
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 17, 2014
From: MARATHON OIL CANADA CORPORATION
To: SHELL CANADA ENERGY; CHEVRON CANADA LIMITED
Reel/Frame 033973/0389 →