Granted Patent
Utility
US 6,739,392
· Confirmation No. 9503
FORMING A WELLBORE CASING WHILE SIMULTANEOUSLY DRILLING A WELLBORE
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Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update | 1 | View | |
| 2008-11-17 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2008-11-17 | N570 |
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| 2006-06-21 | EBCC.AD |
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| 2006-06-19 | EBCC.AD |
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| 2001-09-25 | ADS |
Application Data Sheet | 4 | View | |
| 2001-09-25 | A.PE |
Preliminary Amendment | 7 | View | |
| 2001-09-25 | SPEC |
Specification | 260 | View | |
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Claims | 10 | View | |
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Inventors
Robert Lance Cook
Katy, TX
David Paul Brisco
Duncan, OK
R. Bruce Stewart
The Hague, NETHERLANDS
Lev Ring
Houston, TX
Richard Carl Haut
Sugar Land, TX
Robert Donald Mack
Katy, TX
Alan B. Duell
Duncan, OK
Attorneys & Agents of Record
Classification
USPC
166/207
Prosecution
- Examiner
- DOUGHERTY, JENNIFER R
- Art Unit
- 3672
- Customer No.
- 96792
- Docket No.
- 25791.64
- Confirmation No.
- 9503
Publication
- Pub. No.
- US20020060069A1
- Pub. Date
- 2002-05-23
Patent Term Adjustment
-28days
Parent
is a Division of
→
App. 09/523,468
· US 6,640,903
Filed 2000-03-10
· Patented Case
Parent
is a Continuation in-part of
→
App. 09/510,913
· US 7,357,188
Filed 2000-02-23
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/121,702
Filed 1999-02-25
· Provisional Application Expired
Parent
is a Continuation in-part of
→
App. 09/502,350
· US 6,823,937
Filed 2000-02-10
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/119,611
Filed 1999-02-11
· Provisional Application Expired
Parent
is a Continuation in-part of
→
App. 09/454,139
· US 6,497,289
Filed 1999-12-03
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/111,293
Filed 1998-12-07
· Provisional Application Expired
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2012-05-14
from
SHELL OIL COMPANY
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2010-07-30
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Quick Facts
- Patent No.
- US 6,739,392
- App. No.
- 09/962,471
- Filed
- 2001-09-25
- Granted
- 2004-05-25
- Pub. No.
- US20020060069A1
- Examiner
- DOUGHERTY, JENNIFER R
- Art Unit
- 3672
- PTA
- -28 days
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