skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 4
Patent #:
NONE
Issue Dt:
Application #:
13418044
Filing Dt:
03/12/2012
Publication #:
Pub Dt:
09/13/2012
Inventors:
Julian Kift, Mahendra Joshi
Title:
Methods of Preparing Bituminous Material for Bitumen Extraction
Assignment: 1
Reel/Frame:
028257/0101Recorded: 05/23/2012Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/17/2012
Exec Dt:
04/02/2012
Assignee:
440 SECOND AVENUE SW
SUITE 2400, ERNST & YOUNG TOWER
CALGARY, ALBERTA, CANADA T2P 5E9
Correspondent:
HOLLAND & HART, LLP
P.O BOX 8749
DENVER, CO 80201
Assignment: 2
Reel/Frame:
029676/0704Recorded: 01/23/2013Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/14/2013
Assignee:
440 SECOND AVENUE SW
SUITE 2400, ERNST & YOUNG TOWER
CALGARY, ALBERTA, CANADA T2P 5E9
Correspondent:
HOLLAND & HART LLP
PO BOX 8749
DENVER, CO 80201
Assignment: 3
Reel/Frame:
030467/0595Recorded: 05/22/2013Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/01/2013
Assignee:
440 SECOND AVENUE SW
SUITE 2400, ERNST & YOUNG TOWER
CALGARY, ALBERTA, CANADA T2P 5E9
Correspondent:
LAW OFFICE OF JACK E. EBEL
165 SOUTH UNION BOULEVARD
SUITE 902
LAKEWOOD, CO 80228
Assignment: 4
Reel/Frame:
031972/0968Recorded: 01/15/2014Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/05/2013
Assignees:
400 4TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 2H5
500 5TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 0L7
Correspondent:
SHELL OIL COMPANY
P.O. BOX 2463
ONE SHELL PLAZA
HOUSTON, TX 77252-2463

Search Results as of: 06/01/2024 05:01 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT