Patent Assignment
Reel/Frame 033231/0668
Assignment of Assignor's Interest
Recorded: 2014-07-02
Pages: 4
Assignor
MARATHON OIL CANADA CORPORATION
Executed: 2013-12-05
Assignees
SHELL ENERGY CANADA ENERGY
400 4TH AVENUE S.W., CALGARY, T2P 2H5, CANADA
CHEVRON CANADA LIMITED
500 5TH AVENUE, CALGARY, T2P 0L7, CANADA
Covered Property
(1)
Methods and Apparatus for Bitumen Extraction
Application:
13/306,733 →
Publication:
US 2012/0152809
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 6, 2012
From: KIFT, JULIAN; JOSHI, MAHENDRA; THOMPSON, WHIP C.; ZELNIK, DOMINIC J.
To: MARATHON OIL CANADA CORPORATION
Reel/Frame 027815/0170 →
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 →
Corrective Assignment to Correct the First Assignee Name Previously Recorded at Reel: 033231 Frame: 0668. Assignor(S) Hereby Confirms the Assignment.
Apr 15, 2015
From: MARATHON OIL CANADA CORPORATION
To: SHELL CANADA ENERGY; CHEVRON CANADA LIMITED
Reel/Frame 035440/0411 →