Patent Assignment
Reel/Frame 025589/0331
Assignment of Assignor's Interest
Recorded: 2011-01-05
Pages: 7
Assignors
KIFT, JULIAN
Executed: 2010-12-23
JOSHI, MAHENDRA
Executed: 2010-12-16
THOMPSON, WHIP C.
Executed: 2010-12-23
HOFFMAN, CHERISH M.
Executed: 2010-12-23
Assignee
MARATHON OIL CANADA CORPORATION
440 - SECOND AVENUE, S.W., ERNST & YOUNG TOWER, CALGARY, ALBERTA, T2P 5E9, CANADA
Covered Property
(1)
Process for Extracting Bitumen and Drying the Tailings
Application:
12/964,612 →
Publication:
US 2012/0145602
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 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
Jan 15, 2014
From: MARATHON OIL CANADA CORPORATION
To: SHELL CANADA ENERGY; CHEVRON CANADA LIMITED
Reel/Frame 031972/0518 →